Chocolate Peanut Butter Cup Monster Mask Cakelets - Nordic Ware

Ingredients

• 1/4 cup unsalted butter, melted and slightly cooled
• 1/4 cup brown sugar, packed
• 1/4 cup granulated sugar
• 1/4 tsp vanilla extract
• 1 large egg
• 2 Tbsp sour cream
• 1 1/4 cups all-purpose flour
• 1/4 cup dark cocoa powder
• 1/4 tsp baking soda
• 1/4 tsp table salt
• 1/3 cup low-fat buttermilk
• 1/4 cup hot water
• 8 Reese’s “Snack Size” Peanut Butter Cups, frozen