I’m sharing my grandmother’s Sticky Caramel Corn because her Soft Caramel Popcorn, which turns into irresistibly sticky popcorn balls for movie night, hides a tiny trick I finally wrote down.

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Sticky Caramel Corn is my all time favorite way to eat it and my grandmother swore by this exact mix. I still get surprised at how popped popcorn and unsalted butter turn into something that sits between Soft Caramel Popcorn and Gooey Caramel Popcorn, chewy but not rock hard.

It makes perfect popcorn balls and is the kind of movie night snack that ends with everyone sneaking handfuls before the film starts. I’ll admit I mess it up sometimes, some batches clump more than others, but thats part of the fun and why I keep coming back.

Ingredients

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Popped popcorn gives whole grain crunch and fiber, mostly carbs, low fat before coating.
Butter brings rich mouthfeel and fat, mostly saturated, makes caramel glossy and tender.
Brown sugar adds deep molasses sweetness and moisture, lots of carbs not very healthy.
Corn syrup keeps caramel smooth, prevents sugar crystals and adds sticky chew, high calories.
Baking soda aerates the caramel, lightens texture by creating tiny bubbles during cooking.
Vanilla gives warm aroma and depth, subtle flavor boost, almost no calories or carbs.
Sea salt balances intense sweetness, enhances flavor and gives little mineral trace, use sparingly.

Ingredient Quantities

about 12 cups popped popcorn from 1/2 cup unpopped kernels

1 cup unsalted butter (2 sticks, 226 g)

2 cups packed light brown sugar (about 400 g)

1 cup light corn syrup (240 ml)

1 teaspoon baking soda

2 teaspoons vanilla extract

1/2 teaspoon fine sea salt

How to Make this

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1. Pop about 1/2 cup kernels until you have ~12 cups popped popcorn, pick out unpopped bits and put the popcorn in a very large heatproof bowl, leave it loose so theres room to coat it.

2. In a heavy bottom saucepan melt 1 cup (2 sticks) unsalted butter over medium heat, stir in 2 cups packed light brown sugar and 1 cup light corn syrup until the sugar is dissolved and mixture is smooth.

3. Bring the mixture to a full rolling boil, stop stirring and let it boil for about 4 to 5 minutes or until a candy thermometer reads about 238 to 240 F for soft ball stage, if you dont have a thermometer just boil 4 to 5 minutes but watch it so it doesnt burn.

4. Take the pan off the heat and quickly stir in 1 teaspoon baking soda, 2 teaspoons vanilla extract and 1/2 teaspoon fine sea salt; the caramel will foam up and lighten in color, thats normal.

5. Immediately pour the hot caramel over the popcorn in the big bowl, pour slowly and try to get it evenly distributed, use a big heatproof spatula or two wooden spoons to gently fold and coat the popcorn, dont mash or crush the kernels.

6. If you want popcorn balls: butter your hands lightly, scoop a generous handful and press gently into balls while the caramel is still warm and pliable, dont pack them too hard or theyll get too dense, if you prefer loose caramel corn skip this and spread it on a parchment lined baking sheet.

7. For loose caramel corn spread the coated popcorn onto parchment in a single layer, let cool for 15 to 30 minutes until set but still soft and chewy, break apart any clumps with your hands.

8. Store cooled caramel corn or popcorn balls in an airtight container at room temp for up to 3 to 5 days, if it gets a little soft you can pop it in the fridge briefly to firm up.

9. Tips and hacks: use a candy thermometer for consistent chewiness, heavy bottom pan prevents burning, dont stir while boiling or youll crystalize the sugar, if caramel starts to harden while you work you can warm it very briefly on low to loosen it, and use parchment or wax paper to make cleanup easier.

Equipment Needed

1. Large heavy-bottomed pot with a tight-fitting lid (for popping the kernels)
2. Very large heatproof mixing bowl to hold about 12 cups popped popcorn
3. Heavy-bottomed saucepan for making the caramel
4. Candy thermometer for consistent chewiness, optional but really helps (dont skip it if you want predictable results)
5. Heatproof spatula plus two wooden spoons for folding and stirring without crushing the popcorn
6. Measuring cups and spoons (1 cup, 2 cups, and teaspoon sizes)
7. Parchment-lined baking sheet or two for cooling loose caramel corn
8. Oven mitts or heatproof gloves to handle hot pans and caramel safely
9. Airtight containers or resealable bags for storing popcorn balls or caramel corn

FAQ

Q: How do I keep the caramel corn soft and chewy? A: Cook the butter, brown sugar and corn syrup to the soft ball stage, about 235 to 240 F, then remove from heat, stir in baking soda and vanilla and coat the popcorn quickly. Don’t overcook the sugar and don't leave it in a sealed warm container until it's fully cool or steam will make it soggy.

Q: I don't have a candy thermometer, what can I do? A: Use the cold water test — drop a tiny spoonful of the hot syrup into a bowl of cold water; if it forms a soft, squishy ball that you can flatten with your finger it's right.

Q: Can I use microwave popcorn or salted butter? A: Yes you can use microwave popcorn as long as it's plain and unsalted; if you must use salted butter cut or omit the added sea salt so it doesn't get too salty.

Q: How should I store it and how long will it last? A: Store in an airtight container at room temp, it stays good about 1 to 2 weeks. To help keep it soft, tuck a slice of bread in the container for a day or two, or freeze for longer storage up to 2 months.

Q: Why did my caramel crystallize or get grainy? A: Crystals form when sugar crystals stick to the pan or you stir too much once boiling starts. Wipe down the pot sides with a wet pastry brush while it boils and avoid stirring once it's at a full boil.

Q: My caramel ended up too hard or too sticky, how fix it? A: Too hard means it was cooked too long or too hot; too sticky usually means undercooked or stored in humid conditions. You can gently reheat with a splash of corn syrup or microwave short bursts to soften, or reheat and test to the soft ball stage then recoat if needed.

Grandma’s Soft & Chewy Caramel Corn Recipe Substitutions and Variations

Unsalted butter (1 cup / 226 g): swap with salted butter, same amount but cut the added sea salt to about 1/4 teaspoon; or use 1 cup solid coconut oil or vegan butter for a dairy free version, though the flavor and mouthfeel will change a bit.
Light brown sugar (2 cups): use dark brown sugar 1 to 1 for a deeper molasses note; or make light brown by mixing 2 cups granulated sugar with 2 tablespoons molasses if you don’t have brown sugar on hand.
Light corn syrup (1 cup): replace with golden syrup or glucose syrup 1 to 1 for similar anti crystallizing properties; honey or light maple syrup can work too but expect a stronger flavor and a slightly softer chew, and watch the heat so it doesn’t scorch.
Vanilla extract (2 teaspoons): use 1 vanilla bean scraped or 2 teaspoons vanilla paste in place of extract for more pronounced vanilla flecks and flavor; if you want a different twist, 1/4 to 1/2 teaspoon almond extract will give a nutty note, but use it sparingly.

Pro Tips

1) Have everything ready before the caramel hits the popcorn. Once that caramel foams up it moves fast, so parchment, spatulas, scooping bowls and a buttered towel for your hands should be within reach. If it starts setting while you work, warm it very briefly on low heat or in the microwave for 5 to 10 seconds.

2) Prevent sugar crystals. Keep the pan sides clean by brushing them with a wet pastry brush as it heats, and do not stir once the mixture is at a full boil. That extra step cuts down on gritty caramel and keeps it smooth.

3) Control texture without guesswork. If you want chewier corn skip any oven step and cool at room temp. For crunchier, spread on a sheet and bake at about 250 F for 10 to 15 minutes, tossing a couple times so it toasts evenly. Re-crisp later by a quick 8 to 10 minute bake at the same temp.

4) Store smart. Let the caramel cool fully before sealing, keep it in an airtight container at room temperature for best texture. If it softens too much, reheat briefly in the oven to firm it up; if you want to keep it a little softer while storing, tuck in a slice of bread for a day or two.

Grandma's Soft & Chewy Caramel Corn Recipe

Recipe by Kate Sinclair

0.0 from 0 votes

I’m sharing my grandmother’s Sticky Caramel Corn because her Soft Caramel Popcorn, which turns into irresistibly sticky popcorn balls for movie night, hides a tiny trick I finally wrote down.

Servings

servings

Calories

532

kcal

Equipment: 1. Large heavy-bottomed pot with a tight-fitting lid (for popping the kernels)
2. Very large heatproof mixing bowl to hold about 12 cups popped popcorn
3. Heavy-bottomed saucepan for making the caramel
4. Candy thermometer for consistent chewiness, optional but really helps (dont skip it if you want predictable results)
5. Heatproof spatula plus two wooden spoons for folding and stirring without crushing the popcorn
6. Measuring cups and spoons (1 cup, 2 cups, and teaspoon sizes)
7. Parchment-lined baking sheet or two for cooling loose caramel corn
8. Oven mitts or heatproof gloves to handle hot pans and caramel safely
9. Airtight containers or resealable bags for storing popcorn balls or caramel corn

Ingredients

about 12 cups popped popcorn from 1/2 cup unpopped kernels
1 cup unsalted butter (2 sticks, 226 g)
2 cups packed light brown sugar (about 400 g)
1 cup light corn syrup (240 ml)
1 teaspoon baking soda
2 teaspoons vanilla extract
1/2 teaspoon fine sea salt

Directions

Pop about 1/2 cup kernels until you have ~12 cups popped popcorn, pick out unpopped bits and put the popcorn in a very large heatproof bowl, leave it loose so theres room to coat it.
In a heavy bottom saucepan melt 1 cup (2 sticks) unsalted butter over medium heat, stir in 2 cups packed light brown sugar and 1 cup light corn syrup until the sugar is dissolved and mixture is smooth.
Bring the mixture to a full rolling boil, stop stirring and let it boil for about 4 to 5 minutes or until a candy thermometer reads about 238 to 240 F for soft ball stage, if you dont have a thermometer just boil 4 to 5 minutes but watch it so it doesnt burn.
Take the pan off the heat and quickly stir in 1 teaspoon baking soda, 2 teaspoons vanilla extract and 1/2 teaspoon fine sea salt; the caramel will foam up and lighten in color, thats normal.
Immediately pour the hot caramel over the popcorn in the big bowl, pour slowly and try to get it evenly distributed, use a big heatproof spatula or two wooden spoons to gently fold and coat the popcorn, dont mash or crush the kernels.
If you want popcorn balls: butter your hands lightly, scoop a generous handful and press gently into balls while the caramel is still warm and pliable, dont pack them too hard or theyll get too dense, if you prefer loose caramel corn skip this and spread it on a parchment lined baking sheet.
For loose caramel corn spread the coated popcorn onto parchment in a single layer, let cool for 15 to 30 minutes until set but still soft and chewy, break apart any clumps with your hands.
Store cooled caramel corn or popcorn balls in an airtight container at room temp for up to 3 to 5 days, if it gets a little soft you can pop it in the fridge briefly to firm up.
Tips and hacks: use a candy thermometer for consistent chewiness, heavy bottom pan prevents burning, dont stir while boiling or youll crystalize the sugar, if caramel starts to harden while you work you can warm it very briefly on low to loosen it, and use parchment or wax paper to make cleanup easier.

Notes

Below you’ll find my best estimate of this recipe’s nutrition facts. Treat the numbers as a guide rather than a rule—great food should nourish both body and spirit. Figures are approximate, and the website owner assumes no liability for any inaccuracies in this recipe.