Peanut Butter Chocolate Lava Brookies
These peanut butter chocolate lava brookies are peanut butter cookie cups with a molten peanut butter center and fudgy brownie tops. They are essentially a homemade peanut butter cup, but even better. Made with cookie and brownie mixes plus frozen peanut butter balls, these brookies are easy and so fun for the holidays.
More holiday treats: White Chocolate M&M Fudge and Banana Bread Truffles.
Why You’ll Love These Brookies
- Molten peanut butter center.
- Cookie and brownie in one.
- Easy with boxed mixes.
- Festive with sprinkles.
Ingredients for Peanut Butter Lava Brookies
The Brookies
A package of peanut butter cookie mix, a package of brownie mix and peanut butter frozen into balls.
Optional
Christmas sprinkles.
Swap note: Use gluten-free cookie and brownie mixes for gluten free.
How to Make Brookies
Step 1: Freeze the peanut butter
Roll peanut butter into 1 teaspoon balls and freeze 30 minutes.
Step 2: Make the cookie cups
Prepare the cookie mix and press the dough into a regular muffin tin.
Step 3: Par-bake
Bake 5 to 7 minutes, then add a frozen peanut butter ball to each cup.
Step 4: Add brownie batter
Top each cup with brownie batter.
Step 5: Bake and serve
Bake 20 to 25 minutes until crackly and set. Cool, chill briefly, pop out and serve with ice cream and sprinkles.
Carly’s Expert Tips
- Freeze the peanut butter ahead to save time.
- Use a regular muffin tin for the perfect size.
- Chill before removing so they hold their shape.
- Serve warm for a molten center.
Make It Your Own
- Nutella: Use Nutella balls instead of peanut butter.
- Homemade: Use homemade cookie and brownie batters.
- Sea salt: Sprinkle with flaky salt.
- Holiday: Use seasonal sprinkles.
Make-Ahead and Meal Prep: Freeze the peanut butter balls days ahead. Baked brookies keep 4 days.
What to Serve With Brookies
Serve with vanilla ice cream, a glass of milk or a latte with Sugar Cookie Coffee Syrup.
Storing and Reheating
Store in an airtight container for up to 4 days.
Warm for 10 seconds in the microwave for a gooey center.
What People Ask About Brookies
Can I use homemade peanut butter?
Natural peanut butter can be runny, so freeze it well.
What is a brookie?
A cookie and brownie combined.
Can I use a mini muffin tin?
Yes. Reduce the bake time.
Can I freeze brookies?
Yes, for up to 3 months.
Peanut Butter Chocolate Lava Brookies
Ingredients
Method
- Roll peanut butter into 1 tsp balls and freeze for 30 minutes.
- Prepare peanut butter cookie mix according to the package instructions and press the dough into a regular-size muffin tin.
- Bake for 5-7 minutes and remove from the oven. Add a frozen peanut butter ball to each cookie cup.
- Top each cookie cup with brownie batter.
- Bake until crackly and set, about 20-25 minutes.
- Cool, chill briefly, then pop out and serve with ice cream and sprinkles.
Nutrition
Notes
- Freeze the peanut butter balls ahead of time to make assembly quicker.
- Use a regular-size muffin tin for the perfect portion size.
- Serve with ice cream and sprinkles for an extra festive touch.
