Ice Cream Cone Cupcakes

Ingredients (16)

• 12 flat-bottomed ice cream cones
• 1/2 cup (4 ounces) unsalted butter, softened
• 1 cup granulated sugar
• 2 large eggs
• 1 1/2 teaspoons pure vanilla extract
• 1 1/2 cups all-purpose flour
• 2 teaspoons baking powder
• 1/2 teaspoon salt
• 1/2 cup milk
• 3 tablespoons multicolored sprinkles, plus more for garnish
• 1/2 cup (4 ounces) unsalted butter, softened
• 1 (8-ounce) package  cream cheese, softened
• 1 teaspoon pure vanilla extract
• 1/4 teaspoon salt
• 4 cups confectioners' sugar
• 1/4 cup cocoa powder