Step 1: Preheat the oven to 375 degrees.
Step 2: Melt butter over low heat in a medium-sized saucepan. Once melted, add sugar, stirring with a wooden spoon.
Step 3: In a separate bowl, whisk together cocoa powder, flour, baking soda, and a pinch of salt. Mix into the pan until completely combined. Remove from heat.
Step 4: In another bowl, whisk together eggs and vanilla extract. Fold into saucepan.
Step 5: Pour brownie mixture into a 9×13 baking pan, spreading the mixture with a spatula. Bake in preheated oven for about 25 minutes.
Step 6: Remove from oven and set aside to cool completely before using your Mickey cookie cutter.
Step 7: Cut out Mickey shapes with your cookie cutter. Add sprinkles or toppings of your choice.
Step 8: To create a Minnie bow: Melt red candy melts in the microwave or over low heat on a stovetop. Use a spoon to drizzle candy melt into a bow shape onto wax paper. Let dry. Once set, carefully place bow on top of brownie.