15-Minute Fudgy Chocolate Cake Jar
Layers of rich chocolate cake and decadent fudge frosting built in a jar — no mixer, no oven, ready to eat in minutes. The viral dessert that tastes homemade but comes together faster than delivery.
- Total time
- 15 min
- Servings
- 4
- Calories
- 520
- Protein
- 4g

Ingredients
- 1 box devil's food or chocolate cake mix
- ½ cup hot water
- 6 tbsp unsalted butter, softened
- ½ cup unsweetened cocoa powder
- 1 cup granulated sugar
- ½ cup heavy whipping cream
- 1 tsp vanilla extract
- 1 cup crushed chocolate wafer cookies or brownie pieces
Instructions
- 1
Whisk cake mix with hot water in a bowl until smooth. Divide crumbled cake pieces evenly among four jars.
- 2
Beat softened butter, cocoa powder, sugar, and cream together until fluffy and spreadable, ~2 minutes by hand.
- 3
Stir vanilla into the frosting until fully combined.
- 4
Spoon half the frosting over the cake layer in each jar, pressing gently to fill gaps.
- 5
Top with crushed cookies, then remaining frosting, then more cookies for the final layer.
- 6
Chill for 5 minutes, then serve cold or at room temperature.
Tools you’ll need
- four 8-16 oz jars (pint jars or mason jars)
- medium bowl
- whisk
- hand mixer or sturdy spoon
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