Yellow Sheet Cake with Chocolate Frosting

Name: Yellow Sheet Cake with Chocolate Frosting
Yield: Serves 12 to 15
Ingredients: 4 , large eggs plus 2 large yolks; 1/2 cup, buttermilk; 1 tablespoon, vanilla extract; 2 1/4 cups (9 ounces) bleached, cake flour; 1 3/4 cups (12¼ ounces), granulated sugar; 1 1/4 teaspoons, baking powder; 1/4 teaspoon, baking soda; 1/2 teaspoon, table salt; 8 tablespoons, unsalted butter, softened; 1/2 cup, vegetable oil; 2 1/4 cups (9 ounces), confectioners' sugar; 1/2 cup (1½ ounces), unsweetened cocoa powder; 8 tablespoons, unsalted butter, softened; 1/4 cup, hot water; 1/4 teaspoon, table salt; 2 ounces, bittersweet chocolate, melted

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Appears in Cook's Illustrated September/October 2020, America's Test Kitchen TV

Desserts or Baked Goods

Cakes

SEASON 21

SERVES12 to 15

TIME1 hour, plus 2½ hours cooling

has video

WHY THIS RECIPE WORKS

For a tender cake with a fine, plush texture, we started by using bleached cake flour. Its altered starch is more absorbent than the starch in unbleached flour, so it can accommodate more liquid, sugar, and fat (we use butter for flavor and...

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