Funfetti Scones (American-Style Scone Recipe)

Name: Funfetti Scones (American-Style Scone Recipe)
Prep time: 40 min
Cook time: 20 min
Total time: 1 h
Cuisine: American
Ingredients: 320 grams all purpose flour (2 1/2 cups); 10 grams tablespoon baking powder (1 tablespoon); 1/4 teaspoon kosher salt; 115 grams unsalted butter, cold and cut into 1/2-inch cubes (1/2 cup/1 stick); 105 grams granulated sugar (1/2 cup); 120 milliliters whipping cream (1/2 cup), plus more for brushing the scones; 1 large egg, at room temperature; 1 teaspoon vanilla bean paste; 95 grams rainbow sprinkles (1/2 cup); 135 grams confectioner’s sugar (1 cup); 45-60 milliliters whole milk or whipping cream (3-4 tablespoons), plus more to adjust consistency; 1/4 teaspoon cake batter flavoring, or to taste; Rainbow sprinkles