Witch Hat Cupcakes

Ingredients

• 1 cup all-purpose flour
• 1 cup sugar
• ¼ cup + 2 tbsp cocoa powder
• 1 tsp baking powder
• 3/4 tsp baking soda
• 1/2 tsp salt
• 1/2 cup milk
• 1/4 cup vegetable oil
• 1 large egg
• 1 tsp vanilla extract
• 1/2 cup boiling water
• 2 cups unsalted butter (room temperature)
• 1 tsp vanilla extract (or seeds from 1 vanilla bean)
• 5 cups powdered sugar
• food coloring (orange, green, yellow and purple)
• 2 cups marshmallow fluff
• 2 ½ cups chocolate chips (melted)
• 1 cup black sanding sugar
• 12 oreo cookies
• 12 mini ice cream cones
• sour belt candy