BIRTHDAY SHEET CAKE Ka’Juan Williams and Demontae Giles

INGREDIENTS  18 tablespoons (2 1/4 sticks) unsalted butter, at room temperature  3 cups sugar  6 extra-large eggs, at room temperature  8 ounces (about 1 cup) sour cream, at room temperature  1 1/2 teaspoons pure vanilla extract  1 lemon, zested  3 cups all-purpose flour  1/3 cup cornstarch  1 teaspoon kosher salt  1 teaspoon baking soda

BIRTHDAY SHEET CAKE IngredientsOriginalHalfDoubleQuadruple Unsalted Butter 18 tablespoons 9 tablespoons 36 tablespoons 72 tablespoons Sugar3 cups1 ½ cups6 cups12 cups Eggs6 eggs3 eggs12 eggs24 eggs Sour Cream8 ounces4 ounces16 ounces32 ounces Vanilla Extract 1 ½ teaspoons ¾ teaspoons3 teaspoons6 teaspoons Lemon, Zested 1 lemon½ lemon2 lemons4 lemons Flour3 cups1 ½ cups6 cups12 cups Cornstarch1/3 cups1/6 cups2/3 cups1 1/3 Kosher Salt1 teaspoon½ teaspoon2 teaspoons4 teaspoons Baking Soda1 teaspoon½ teaspoon2 teaspoons4 teaspoons

EXPLANATION We think that if you want to make some for the whole class and the teacher, you would have to multiply all the ingredients by how many students there are plus the teacher