I’ve been making these caramel-stuffed brownies for years when I need a quick, show-stopping dessert that’s both nostalgic and reliably gooey. They’re a clever twist on boxed mix baking—using a Betty Crocker German Chocolate cake mix as the base, a molten caramel center, and simple layering techniques to get a fudgy, candy-filled bar that’s perfect for potlucks, birthdays, or an easy weekend treat. If you enjoy experimenting with boxed-mix hacks, you might also like this Apple Brownies recipe for another easy, fruit-forward dessert idea.
Why you’ll love this dish
This recipe gives you intense candy-bar vibes without the fuss of tempering chocolate or making ganache from scratch. It’s fast to mix, uses pantry-friendly ingredients, and the method guarantees pockets of warm caramel surrounded by tender brownie-like cake. It’s kid-approved, budget-friendly, and scalable for large gatherings.
“I served these at a family brunch and everyone wanted the recipe. The caramel stays perfectly gooey and the top layer bakes into little cookie-like islands—pure comfort.”
Why this works: the partial bake of the bottom layer prevents the caramel from soaking through, and chilling the remaining batter helps it hold its shape when placed on top of the warm caramel.
Step-by-step overview
You’ll make one thick batter, press half into the pan and par-bake it briefly. While that layer sets, melt the caramels with evaporated milk until smooth. Add chocolate chips and spread the warm caramel over the partially baked base. Pinch the chilled remaining batter into small pieces and dimple them over the caramel to form a rustic top. Bake until set, cool thoroughly, and chill for cleaner slices.
What you’ll need
- 1 box Betty Crocker German Chocolate Cake mix
- 1/3 cup evaporated milk (for the batter)
- 2/3 cup margarine, melted and cooled (substitute: unsalted butter for richer flavor)
- 1 1/2 cups chocolate chips, milk or semi-sweet
- 1 (10–14 oz) bag Kraft caramels, unwrapped
- 1/3 cup evaporated milk (for melting the caramels)
Notes: If you need dairy-free options, use vegan caramels and a non-dairy margarine. For gluten-free, choose a certified gluten-free chocolate cake mix.
Step-by-step instructions
- Preheat the oven to 350°F. Lightly coat a 9×13-inch pan with nonstick spray.
- In a bowl, mix the cake mix, 1/3 cup evaporated milk, and 2/3 cup melted margarine until you have a thick, uniform batter.
- Press half the batter evenly into the prepared pan. Put the remaining batter in the fridge to chill.
- Bake the pan for 6 minutes to slightly set the bottom layer.
- While it bakes, place the unwrapped caramels and the remaining 1/3 cup evaporated milk in a microwave-safe bowl. Heat in 30-second bursts, stirring between bursts, until smooth and pourable. Be careful—caramel gets very hot.
- Sprinkle the chocolate chips evenly over the partially baked layer. Drizzle the warm caramel over the chips.
- Remove the chilled batter, pinch off tablespoon-sized pieces, and spread them over the caramel to cover it as best you can. The top will be rustic.
- Return the pan to the oven and bake for about 16 minutes, until the top is set and edges pull slightly away from the pan.
- Let the brownies cool completely in the pan. For cleaner slices, refrigerate the pan until firm before cutting.

Best ways to enjoy it
Serve these warm with a scoop of vanilla ice cream or a dollop of whipped cream for contrast. For a kid-friendly dessert buffet, cut into small squares and place on a platter with fresh berries. If you want to pair another rich bar with a lighter chocolate experience, try a plate that includes a few bites of a Chocolate Mousse Brownies to satisfy different textures and moods.
Storage and reheating tips
Store cooled brownies in an airtight container in the refrigerator for up to 4–5 days. To freeze, wrap bars tightly in plastic wrap and place in a freezer-safe bag or container for up to 3 months. Thaw overnight in the refrigerator. Reheat single slices in a microwave for 10–12 seconds to soften the caramel, or warm in a 300°F oven for 5–8 minutes. Always cool completely before refrigerating to avoid condensation and soggy edges.
Pro chef tips
- Chill the remaining batter: cold dough is easier to pinch and stays on top of the caramel rather than melting into it.
- Melt caramels carefully in short bursts and stir often to prevent scorching. If too thick, add a teaspoon of evaporated milk at a time.
- Use an offset spatula to distribute chocolate chips evenly so caramel can spread smoothly.
- For neater slices, chill thoroughly and use a hot, clean knife between cuts—dip the knife in hot water, wipe dry, then slice.
- If you prefer a creamier top, press slightly larger dollops of batter and flatten gently with lightly floured fingers.
Creative twists
- Nutty crunch: scatter toasted pecans or chopped walnuts over the chocolate chips before adding caramel.
- Salted caramel: sprinkle flaky sea salt on the caramel layer just before it cools for contrast.
- Peanut butter swirl: swirl 1/3 cup creamy peanut butter through the caramel before adding the top batter dollops.
- Mini bars: bake in an 8×8-inch pan for thicker bars and longer baking, or in a muffin tin for portable brownie bites.
- Dietary swaps: use vegan caramels and non-dairy margarine to make dairy-free versions, or a gluten-free cake mix for a gluten-free treat.
Helpful answers
How long does it take from start to finish?
Active prep is about 20–25 minutes. Bake time totals about 22 minutes (6 + 16), plus cooling. Plan on 1.5 to 2 hours including full cooling and refrigeration for firm slices.
Can I use butter instead of margarine?
Yes. Unsalted butter adds richer flavor and a slightly firmer crumb. Use the same measurement, melt and cool before mixing.
How do I keep the caramel from seeping through the bottom?
The brief 6-minute par-bake sets the bottom layer and creates a barrier that prevents the caramel from soaking in. Chill the top batter so it doesn’t liquefy and sink into the caramel.
Can I make these ahead for a party?
Absolutely. Bake and chill the bars the day before. Keep them refrigerated and bring to room temperature 20–30 minutes before serving, or warm briefly if you prefer gooey caramel.
Are there safe handling tips for working with hot caramel?
Yes. Melt caramels slowly in a microwave or over very low heat. Stir frequently, and use an oven mitt when handling the hot bowl. Keep children away from the microwave when melting caramels.

Caramel-Stuffed Brownies
Ingredients
Method
- Preheat the oven to 350°F. Lightly coat a 9x13-inch pan with nonstick spray.
- In a bowl, mix the cake mix, 1/3 cup evaporated milk, and 2/3 cup melted margarine until you have a thick, uniform batter.
- Press half the batter evenly into the prepared pan. Put the remaining batter in the fridge to chill.
- Bake the pan for 6 minutes to slightly set the bottom layer.
- While it bakes, place the unwrapped caramels and remaining 1/3 cup evaporated milk in a microwave-safe bowl. Heat in 30-second bursts, stirring between bursts, until smooth and pourable.
- Sprinkle the chocolate chips evenly over the partially baked layer. Drizzle the warm caramel over the chips.
- Remove the chilled batter, pinch off tablespoon-sized pieces, and spread them over the caramel to cover it as best you can. The top will be rustic.
- Return the pan to the oven and bake for about 16 minutes, until the top is set and edges pull slightly away from the pan.
- Let the brownies cool completely in the pan. For cleaner slices, refrigerate the pan until firm before cutting.


