1. Preheat oven to 350°F (175°C) and line a 12-cup muffin tin with paper liners.

2. In a medium bowl, whisk together flour, baking powder, and salt.

3. In a large bowl, cream together ½ cup softened butter and granulated sugar until light and fluffy.

4. Beat in eggs one at a time, then stir in 1 tsp vanilla extract.

5. Gradually add dry ingredients to wet ingredients, alternating with ½ cup milk, beginning and ending with dry ingredients. Mix until just combined.

6. Fill cupcake liners about two-thirds full. Bake for 18–22 minutes, or until a toothpick inserted into the center comes out clean. Let cool completely on a wire rack.

7. For the frosting: In a large bowl, beat ½ cup softened butter until creamy. Gradually add powdered sugar, mixing until smooth. Stir in 1 tsp vanilla extract and 1–2 tbsp milk until desired consistency is reached. Tint with green food coloring to a vibrant monster green.

8. Pipe or spread frosting generously onto cooled cupcakes. Immediately decorate with edible googly eyes and sprinkles to create your Monster Cupcakes!