Ingredients
Equipment
Method
- Step 1: In a medium saucepan, set your heat to low. Add the unsalted butter and mini marshmallows. Stir consistently until everything melts down into a beautiful, smooth liquid without anything sticking or burning.
- Step 2: Once that buttery marshmallow mixture is perfectly smooth, take the saucepan off the heat. Stir in the creamy peanut butter and, if using, the vanilla extract. Keep stirring until it's all fully combined and looks wonderfully creamy and uniform.
- Step 3: Pour your Rice Krispies cereal into a large bowl. Gently pour the warm peanut butter mixture over the cereal. Using a spatula or a large spoon, gently fold everything together until every single Krispie is coated evenly.
- Step 4: Grab a muffin tin and line each cup with paper liners. Spoon the cereal mixture evenly into each cup. Press down gently to create a flat, compact surface.
- Step 5: Melt your chocolate chips in a microwave-safe bowl in 20-second bursts, stirring really well between each interval, until the chocolate is smooth and glossy. Spoon the melted chocolate evenly over the top of each Rice Krispie cup. Spread it out with the back of your spoon or a small offset spatula. Optionally, sprinkle a tiny pinch of sea salt on top of each cup.
- Step 6: Let the cups cool at room temperature for about 20 minutes to set. If you're in a hurry, pop them in the fridge for 10-15 minutes to speed up the process. Once they're firm, carefully remove the paper liners and enjoy.
Notes
Substitutions & Additions: Almond butter or cashew butter can be used instead of peanut butter, but consistency may vary. Experiment with white chocolate chips, butterscotch chips, or a mix. Fold in mini M&Ms, chopped Reese's Peanut Butter Cups, or crushed pretzels. Drizzle with extra peanut butter, caramel sauce, or chopped nuts. Ensure Rice Krispies cereal is certified gluten-free if needed.
Tips for Success: Always keep heat low when melting butter and marshmallows to prevent burning. Work quickly once the peanut butter mixture is combined with cereal, as it can start to set as it cools. Ensure all cereal is coated for consistent texture. Press gently, not too hard, into cups to avoid density. For a chewier texture, set at room temperature; for a firmer bite, chill in the fridge.
Storage: Store in an airtight container at room temperature for up to 3-4 days. For firmer texture and extended freshness, store in the refrigerator for up to a week; let sit out briefly before serving. Freeze for up to 2 months by wrapping individually in plastic wrap, then placing in a freezer-safe bag or container; thaw at room temperature for 15-20 minutes before enjoying.