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    The Heirloom Pantry » Recipes » Sweets

    Miso Caramel Popcorn

    Published: Oct 3, 2022 · Modified: Oct 8, 2023 by Kathleen Higashiyama · The following content may contain paid links. When you click and shop the links, we receive a commission.

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    Pinterest pin for miso caramel popcorn with corn syrup.

    Thank you Karo® Syrup for sponsoring this post. Celebrate sweet moments together with Karo®!

    Miso Caramel Popcorn is an umami-packed treat featuring crispy popcorn covered in silky miso caramel. It comes together in just a few simple steps and makes a delicious snack or gift!

    Miso caramel popcorn in small red and white striped movie popcorn boxes.

    When we're in the mood for something sweet, one of our favorite treats is Miso Caramel Popcorn. Not only is this caramel popcorn tasty, it's also surprisingly easy, making it perfect for gift giving to neighbors and family. Be careful because the combination is so yummy that once you start eating, you won't be able to stop!

    This recipe features a staple ingredient we use for sweets:​​ Karo® Corn Syrup. Karo® Syrup makes recipes OH SO Delicious. In this recipe, it creates a perfectly smooth caramel texture and balances the sweetness, allowing the true flavor of the miso and caramel to shine through.

    Jump to:
    • About Miso Caramel Popcorn
    • Ingredients
    • Substitutions
    • Variations
    • Instructions
    • Recipe FAQs
    • Equipment
    • Storage
    • Top tips
    • Related Recipes
    • Did You Like This Recipe?
    • 📖 Recipe

    About Miso Caramel Popcorn

    • Taste - The combination of sweet caramel, savory popcorn, and umami miso is a uniquely rich combination.
    • Texture - The popcorn is perfectly crunchy and lightly sticky.
    • Effort - All you need to do is make the popcorn and the caramel then mix and bake them together.
    • Time - Prep takes 10 minutes and cook time is about 50 minutes.

    Ingredients

    Ingredients to make miso caramel corn, including popcorn kerbels, miso, brown sugar, Karo light corn syrup, salt, butter, vanilla extract, baking soda, miso paste.
    • Neutral cooking oil - We recommend a neutral cooking oil like avocado oil, grapeseed oil, or vegetable oil because they all have a high smoke point and won't burn while cooking the popcorn. They also have minimal flavor so they won't alter the flavor of the popcorn.
    • Popcorn kernels - We buy our popcorn kernels from Trader Joe's or Sprouts because they are good quality and reasonably priced.
    • Butter - Butter adds rich flavor and is the base of the caramel.
    • Karo Light Corn Syrup - Corn syrup gives the caramel its soft and silky consistency. Our go to corn syrup is Karo® Syrup. Karo® Syrup is a versatile ingredient that perfects anything from delicious caramels, fudges, pies, and sticky cinnamon rolls, to sauces and glazes.
    • Dark brown sugar - Dark brown sugar adds sweetness and has a deep molasses flavor.
    • White miso paste - Miso a traditional Japanese sauce and seasoning. It adds a unique savory flavor to the caramel corn.
    • Vanilla extract - Vanilla extract adds complexity and sweetness to the caramel corn.
    • Kosher or sea salt - Salt balances the sweetness of the caramel.
    • Baking soda - Baking soda helps the caramel harden and get crunchy.

    See recipe card for quantities.

    Substitutions

    • Light brown sugar - Use light brown sugar instead of dark brown sugar for a lighter molasses flavor.
    • Less caramel coverage - If you want to make this recipe with a lighter caramel flavor or covering, use ¾ cup popcorn kernels instead of ½ cup.
    • Red miso - Use red miso paste instead of white for a stronger miso flavor.

    Variations

    • No miso - Omit miso for a purer caramel flavor.
    • Chocolate - Drizzle chocolate on the popcorn for extra decadence.
    • Nuts - Add peanuts, pecans, or your favorite nut for extra crunch.

    Instructions

    Steps to make miso caramel corn, including cooking the popcorn kernels in a pot and making the caramel coating.
    • Prepare oven and baking sheet - Preheat the oven to 250°F. Line a large baking sheet with parchment paper and set aside.
    • Make popcorn - In a large pot with a thick bottom (e.g. dutch oven), combine oil and popcorn kernels. Place the lid on the pot and cook on medium heat. Listen for the popcorn to pop. Once the popcorn pops slow down with a couple of seconds between each pop, remove it from heat, and give the pot a shake to pop any remaining kernels. Let the pot sit covered for another 30 seconds and set aside while you make the caramel sauce. Alternatively, use an air popper. (Photo 1, 2, and 3)
    Steps to make miso caramel popcorn, including making the caramel sauce, pouring it over the popcorn kernels, mixing the popcorn and sauce, and spreading the popcorn on a baking sheet.
    • Make caramel sauce - In a saucepan, add butter, Karo® Light Corn Syrup, dark brown sugar, miso paste, and salt and cook on low heat. Stir the ingredients with a silicone spatula to break down the miso paste. Once the ingredients are combined, increase the heat to medium and cook untouched until the sugar is completely dissolved and the mixture is smooth, about 3-4 minutes. Remove from heat and mix in vanilla extract and baking soda. The mixture will bubble and turn light brown. (Photo 4 and 5)
    • Coat popcorn - Transfer the popcorn to a large mixing bowl. Pour half of the caramel mixture onto the popcorn and use a silicone spatula to fold the mixture into the popcorn. Use the spatula to scrape the bottom of the bowl to coat every piece of popcorn. Pour the remaining caramel onto the popcorn and fold the mixture until every piece of popcorn is evenly coated. Transfer the coated caramel popcorn onto the lined baking sheet. (Photo 6, 7, and 8)
    Instructions to make miso caramel popcorn, including baking the caramel corn, mixing it, and serving it.
    • Bake the popcorn - Transfer the coated caramel popcorn onto the lined baking sheet. Use the silicone spatula to gently spread the popcorn to form a single layer. Place the baking sheet onto the middle rack in the oven. Bake for 45 minutes and stir every 15 minutes. Close the oven door when stirring so the heat does not escape. (Photo 9, 10, and 11)
    • Remove and break apart - Remove the tray from the oven, let the popcorn cool, and then break apart the pieces before enjoying. (Photo 12)

    Pro tip - Be sure to mix the caramel and popcorn thoroughly so the popcorn is evenly coated.

    Recipe FAQs

    Who invented caramel popcorn?

    Two German brothers, Frederick and Louis Rueckheim, created an early version of caramel popcorn for the 1893 World Fair. Their early version featured popcorn covered in molasses. Since then, it caramel-covered popcorn has gained national popularity.

    Why is my caramel popcorn not crunchy?

    There are 2 reasons this could happen. The first is that you didn't use enough baking soda. Second, it may be chewy if the caramel wasn't evenly spread in the popcorn prior to baking.

    How do I make caramel popcorn crispy again?

    If the popcorn has gotten chewy overnight, reheat it in the oven at 250°F until warm, then let it set again.

    Can dogs eat caramel popcorn?

    No, you should avoid feeding you dogs caramel popcorn because the sugar and other ingredients are unhealthy for them.

    Why is my caramel popcorn bitter?

    The popcorn can become bitter if either the kernels or caramel are overcooked. Be sure to only cook the caramel until it is golden brown.

    Should I stir caramel as it cooks?

    No, stirring won't help the caramel stay liquid. It may also cause the sugar to clump up. Once the miso is incorporated, do not stir the caramel.

    Miso caramel corn on a tray with a popcorn scooper.

    Equipment

    This caramel corn recipe calls for a few common kitchen essentials, including measuring spoons and cups, a large pot, a sauce pan, mixing bowls, a silicone baking spatula, a baking sheet, and a cooling rack. Use these popular kitchen essentials in other recipes too!

    Storage

    Store leftover caramel popcorn in an air-tight container for up to 2 weeks. The air-tight container prevents the popcorn from getting stale.

    Top tips

    • Make sure the pot is completely dry before adding the oil. If there is moisture in the pot, the oil will splatter. 
    • You can also use an air popper to pop the popcorn kernels.
    • After cooking the popcorn, be sure to pick out any remaining uncooked kernels before coating it in caramel. Biting into a hard kernel can hurt your teeth.
    • Use a silicone spatula because the caramel won't stick to it.

    Related Recipes

    • Pumpkin scones (better than Starbucks!) with maple vanilla paste glaze on parchment paper with decorative white pumpkins and cinnamon sticks.
      Buttery Pumpkin Scones with Miso Glaze
    • Salted Double Chocolate Peanut Butter Cookies flatlay.
      Salted Double Chocolate Peanut Butter Cookies
    • Closeup of easy cinnamon apple curd in a jar.
      Easy Cinnamon Apple Curd
    • Jalapeño Cheddar Cornbread with Miso sliced on plate with butter and honey.
      Jalapeño Cheddar Cornbread with Miso

    Did You Like This Recipe?

    Love this miso popcorn recipe? Please leave a 5-star rating in the recipe card below & consider leaving a comment below. Thanks!

    Sign up for THP's newsletter and keep in touch on Instagram, Facebook, Pinterest, TikTok, and YouTube. If you make this recipe, tag #theheirloompantry so we can see your caramel popcorn!

    📖 Recipe

    Miso caramel popcorn in small red and white striped movie popcorn boxes.
    Print Recipe Pin Recipe
    5 from 3 votes

    Salted Miso Caramel Popcorn

    Miso Caramel Popcorn is an umami packed treat featuring crunchy popcorn covered in rich miso caramel. It comes together in just a few simple steps and makes a delicious snack or gift. Be careful because the combination is so yummy that once you start eating, you won't be able to stop!
    Prep Time10 minutes mins
    Cook Time50 minutes mins
    Total Time1 hour hr
    Course: Snack
    Cuisine: American
    Servings: 10
    Calories: 214kcal
    Author: Kathleen Higashiyama

    Ingredients 

    • 3 tablespoon neutral cooking oil grapeseed oil, vegetable oil, avocado oil
    • ½ cup popcorn kernels
    • 8 tablespoon butter
    • 8 tablespoon Karo® Light Corn Syrup
    • 1 cup packed dark brown sugar
    • 1½ tablespoon white miso paste
    • 1 teaspoon vanilla extract
    • ½ teaspoon kosher or sea salt
    • ½ teaspoon baking soda
    Prevent your screen from going dark

    Instructions

    • Prepare oven and baking sheet - Preheat the oven to 250°F. Line a large baking sheet with parchment paper and set aside.
    • Make popcorn - In a large pot with a thick bottom (e.g. dutch oven), combine oil and popcorn kernels. Place the lid on the pot and cook on medium heat. Listen for the popcorn to pop. Once the popcorn pops slow down with a couple of seconds between each pop, remove it from heat, and give the pot a shake to pop any remaining kernels. Let the pot sit covered for another 30 seconds and set aside while you make the caramel sauce. Alternatively, use an air popper.
      3 tablespoon neutral cooking oil, ½ cup popcorn kernels
    • Make caramel sauce - In a saucepan, add butter, Karo® Light Corn Syrup, dark brown sugar, miso paste, and salt and cook on low heat. Stir the ingredients with a silicone spatula to break down the miso paste. Once the ingredients are combined, increase the heat to medium and cook untouched until the sugar is completely dissolved and the mixture is smooth, about 3-4 minutes. Remove from heat and mix in vanilla extract and baking soda. The mixture will bubble and turn light brown.
      8 tablespoon butter, 8 tablespoon Karo® Light Corn Syrup, 1 cup packed dark brown sugar, 1½ tablespoon white miso paste, 1 teaspoon vanilla extract, ½ teaspoon kosher or sea salt, ½ teaspoon baking soda
    • Coat popcorn - Transfer the popcorn to a large mixing bowl. Pour half of the caramel mixture onto the popcorn and use a silicone spatula to fold the mixture into the popcorn. Use the spatula to scrape the bottom of the bowl to coat every piece of popcorn. Pour the remaining caramel onto the popcorn and fold the mixture until every piece of popcorn is evenly coated.
    • Bake the popcorn - Transfer the coated caramel popcorn onto the lined baking sheet. Use the silicone spatula to gently spread the popcorn to form a single layer. Place the baking sheet onto the middle rack in the oven. Bake for 45 minutes and stir every 15 minutes. Close the oven door when stirring so the heat does not escape.
    • Remove and break apart - Remove the tray from the oven, let the popcorn cool, and then break apart the pieces before enjoying.

    Video

    Notes

    Storage
    • Store leftover caramel popcorn in an air-tight container for up to 2 weeks. The air-tight container prevents the popcorn from getting stale.
    Top Tips
    • Be sure to mix the caramel and popcorn thoroughly so the popcorn is evenly coated.
    • Make sure the pot is completely dry before adding the oil. If there is moisture in the pot, the oil will splatter. 
    • You can also use an air popper to pop the popcorn kernels.
    • After cooking the popcorn, be sure to pick out any remaining kernels before coating it in caramel. Biting into a hard kernel can hurt your teeth.
    • Use a silicone spatula because the caramel won't stick to it.

    Nutrition

    Calories: 214kcal | Carbohydrates: 42g | Protein: 2g | Fat: 5g | Saturated Fat: 1g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 1g | Trans Fat: 0.03g | Cholesterol: 1mg | Sodium: 296mg | Potassium: 74mg | Fiber: 1g | Sugar: 36g | Vitamin A: 22IU | Calcium: 36mg | Iron: 0.5mg
    Tried this recipe?Mention @theheirloompantry or tag #theheirloompantry!

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    About the Author

    Kat Higashiyama and Alec Totto are recipe developers, food photographers, and the authors behind The Heirloom Pantry. Since 2017, they have shared recipes inspired by their Japanese and Italian heritage and California and Hawaii roots. They reside in San Jose with their two dogs, Peeps and Paisley. Read More…

    Reader Interactions

    Comments

    1. Paula A Nakayama

      October 03, 2022 at 11:09 am

      My caramel popcorn always turned out gummy. Thanks for helping me figure out why (baking soda,who knew?)

      Reply
    5 from 3 votes (3 ratings without comment)

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    Alec and Kat with Paisley and Peeps on the beach

    We're Kat and Alec, the culinary duo behind The Heirloom Pantry, where family recipes from our Italian and Japanese heritage meet fresh California ingredients and Hawaiian sunshine. Our chef-tested dishes help you conquer weeknights and wow guests with effortless entertaining. Join us on this delicious journey – let's cook up confidence, together!

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