Perfect Funfetti Cupcakes

INGREDIENTS

1 1/2 cups

all-purpose flour

1 tsp

baking powder

1/2 tsp

salt

1 stick

unsalted butter, melted

1 1/4 cups

sugar

large eggs

1 tbsp

vanilla extract

3/4 cup

buttermilk (or combine 3/4 cup milk + 1 teaspoon white vinegar and let sit for 5 minutes)

1/2 cup

Sprinkles

2 sticks

unsalted butter, softened

1/4 tsp

salt

5 cups

powdered sugar

1 tbsp

vanilla extract

1 tbsp

heavy whipping cream

Additional Sprinkles, for decorating