Black and White Confetti Donuts

For the Confetti Donuts:

• 1 cup + 2 tablespoons all-purpose baking flour
• 1/4 cup packed light brown sugar
• 1/4 cup granulated sugar
• 1/2 teaspoon salt
• 1 teaspoon baking powder
• 1/2 cup milk (I used almond milk but cow's milk will work)
• 2 1/2 tablespoons unsalted butter, melted
• 1 large egg, at room temperature
• 1/4 cup Rainbow sprinkles

For the white frosting:

• 1 tablespoon heavy cream (more if needed)
• 1/2 cup confectioners' sugar
• Pinch of salt
• 1/8 teaspoon vanilla extract

For the black (chocolate) frosting:

• 1 1/2 tablespoons heavy cream (more if needed)
• 1/2 cup confectioners' sugar
• 3 tablespoons cocoa powder, sifted
• Pinch of salt
• 1/8 teaspoon vanilla extract
• 1/2 cup rainbow sprinkles, for decorating