Name: Chocolate Sheet Cake with Creamy Peanut Butter Frosting
Prep time: 30 min
Cook time: 20 min
Total time: 2 h 50 min
Yield: serves 25-30
Ingredients: 1 cup (230g) unsalted butter; 1 cup (240ml) water; 1/2 cup (42g) unsweetened natural cocoa powder (not dutch-process); 2 cups (250g) all-purpose flour (spoon & leveled); 1 teaspoon baking soda; 1/4 teaspoon salt; 2 large eggs, at room temperature; 1 cup (200g) granulated sugar; 1/2 cup (100g) packed light brown sugar; 2 teaspoons pure vanilla extract; 1/2 cup (120ml) buttermilk, at room temperature*; 1 and 1/2 cups (405g) creamy peanut butter (do not use natural style); 1/2 cup (115g) unsalted butter, softened to room temperature; 3 cups (360g) confectioners' sugar; 1/2 cup (120ml) heavy cream, half-and-half, or whole milk*; 1 teaspoon pure vanilla extract; pinch salt; toppings: ½ cup (135g) melted creamy peanut butter for drizzling, 1 cup chopped peanut butter cups, handful of mini chocolate chips or peanut butter chips, and/or chocolate sprinkles*