. Prepare the Butterbeer Cupcake Batter

1. Preheat oven to 350°F (177°C) and line a 12-cup muffin tin with cupcake liners.
2. In a medium bowl, whisk together flour, baking powder, and salt.
3. In a large bowl, beat butter and sugar until light and fluffy.
4. Add eggs one at a time, mixing well after each addition.
5. Stir in vanilla extract.
6. Alternate adding the flour mixture and buttermilk, beginning and ending with flour.
7. Gently mix in cream soda for an authentic butterbeer flavor.

2. Bake the Cupcakes

8. Fill cupcake liners ¾ full with batter.
9. Bake for 18-20 minutes, or until a toothpick inserted in the center comes out clean.
10. Let cupcakes cool in the pan for 5 minutes, then transfer to a wire rack to cool completely.

3. Make the Starry Night Blue Frosting

11. In a large bowl, beat butter until creamy.
12. Gradually add powdered sugar, mixing until smooth.
13. Add vanilla extract and heavy cream, then beat until fluffy.
14. Mix in blue gel food coloring, adjusting until a rich night-sky shade is achieved.

4. Create the Bronze Drizzle

15. Melt white chocolate chips with vegetable oil in a microwave-safe bowl, stirring every 20 seconds until smooth.
16. Mix in bronze gel food coloring until well blended.

5. Decorate & Serve

17. Pipe the deep blue frosting onto the cooled cupcakes using a large star tip for a swirled night-sky effect.
18. Sprinkle with edible silver glitter or pearl sprinkles for a starlit shimmer.
19. Drizzle the bronze chocolate mixture over the frosted cupcakes for an elegant Ravenclaw touch.
20. Serve and enjoy your wizard-approved dessert!