Step 1: Prepare the Chocolate-Peanut Butter Base

1. In a large bowl, prepare the brownie mix according to package instructions (e.g., mix 1 box brownie mix with 2 eggs, ½ cup vegetable oil, and ¼ cup water). Stir until just combined.

2. Fold in ¼ cup creamy peanut butter and 8 chopped Reese’s peanut butter cups (reserve 4 for topping) until evenly distributed.

3. Lightly grease the slow cooker insert with cooking spray. Pour the brownie batter into the slow cooker, spreading it evenly.

   • Tip: Use a 4-6 quart slow cooker for best results. Chop Reese’s cups into quarters for melty pockets. Avoid overmixing batter to keep it fudgy.

Step 2: Slow Cook the Base

1. Cover and cook on high for 2-3 hours, until the center is set but still slightly gooey (a toothpick inserted should have moist crumbs, not wet batter).

2. Turn off the slow cooker and let the base cool for 15-20 minutes in the insert to firm up slightly. It will remain soft and spoonable.

   • Tip: Place a paper towel under the lid to catch condensation and prevent a watery surface. Check doneness at 2 hours to avoid overcooking. The base will thicken as it cools.

Step 3: Prepare the Whipped Peanut Butter Topping

1. In a large bowl, beat ½ cup creamy peanut butter and ¼ cup softened unsalted butter with an electric hand mixer on medium speed until smooth, about 1 minute.

2. Gradually add 1 ½ cups powdered sugar, mixing on low speed until fully incorporated. Scrape down the bowl as needed.

3. Add 3 tbsp heavy cream and 1 tsp vanilla extract. Beat on medium-high speed for 1-2 minutes until light and fluffy. Set aside or refrigerate if not using immediately.

   • Tip: Soften butter at room temperature for easier mixing. Adjust cream (1-2 tbsp more) for a looser consistency. Store extra topping in the fridge for up to 5 days.

Step 4: Assemble the Dessert Bowls

1. Scoop the warm chocolate-peanut butter base into 6-8 bowls or dessert cups, creating a gooey layer (about ⅓ cup per serving).

2. Spoon or pipe the whipped peanut butter topping over the base, adding a creamy layer (about 2 tbsp per serving).

3. Chop the remaining 4 Reese’s peanut butter cups and sprinkle over the bowls for a crunchy, nutty garnish.

   • Tip: Serve the base warm for a molten texture or chilled for a fudgier consistency. Use a piping bag for a polished topping presentation. Layer ingredients in clear cups for a stunning look.

Step 5: Serve

1. Serve the Reese’s peanut butter chocolate dessert bowls warm or at room temperature, garnished with extra chopped Reese’s cups, a drizzle of melted chocolate, or a sprinkle of sea salt for flair.

2. Pair with a scoop of vanilla ice cream, whipped cream, or a side of fresh strawberries for a complete dessert experience. Serve with coffee, milk, or a dessert liqueur (like Baileys) for an indulgent touch.

   • Tip: Present bowls with visible Reese’s chunks and creamy topping for an Instagram-worthy look. Serve immediately for the best texture contrast. Offer extra topping or chocolate syrup on the side for customization.