Guilt-Free Texas Sheet Cake

Step 1 -Preheat the oven to 350 degrees F.

Step 2 -In a medium microwave-safe bowl, add 1/2 cup of the butter, the water, and 1/3 cup of the cocoa powder.

Step 3 -Cook the butter mixture in the microwave until smooth, 30 seconds at a time.

Step 4 -In a medium bowl, combine the eggs, the yogurt, and the applesauce and whisk until smooth.

Step 5 -In a large bowl, combine the whole-wheat flour, the all-purpose flour, the sugar, the baking soda, and the salt and whisk together.

Step 6 -Add the warm chocolate mixture to the flour mixture and stir to combine.

Step 7 -Add the yogurt mixture to the flour mixture and stir until combined. It's okay if the batter has a few lumps.

Step 8 -Pour the batter in a 13x18-inch jelly roll pan or two 9x13-inch baking sheets.

Step 9 -Bake until a toothpick inserted in the center comes out clean, about 20 minutes.

Step 10 -While the cake is cooling, in a microwave-safe bowl, melt the remaining butter.

Step 11 -Add the remaining cocoa to the butter mixture and whisk until smooth.

Step 12 -Whisk the milk, vanilla, and the powdered sugar into the cocoa mixture.

Step 13 -Pour the frosting over the cooled cake, frosting the edges, and allow the icing to set.

Step 14 -Slice and serve.