Yellow Sheet Cake with Chocolate Frosting

Name: Yellow Sheet Cake with Chocolate Frosting
Ingredients: 4 , large eggs plus 2 large yolks; 1/2 cup, buttermilk; 1 tablespoon, vanilla extract; 2 1/4 cups (9 ounces/255 grams) bleached, cake flour; 1 3/4 cups (12¼ ounces/347 grams), 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/255 grams), confectioners' sugar; 1/2 cup (1½ ounces/43 grams), unsweetened cocoa powder; 8 tablespoons, unsalted butter, softened; 1/4 cup, hot water; 1/4 teaspoon, table salt; 2 ounces (57 grams), bittersweet chocolate, melted

Desserts or Baked Goods
Cakes
Super Bowl

By Andrea Geary ･ Appears in Cook's Illustrated September/October 2020, America's Test Kitchen TV

We make everyone's favorite cake even better by combining a fine, plush texture with fresh, homemade flavor. Then we crown it with a rich chocolate frosting.

SERVES 12 to 15

TIME 1 hour, plus 2½ hours cooling

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