Ingredients • 1 box cake mix (any flavor) • 3 large eggs • 1 cup liquid → water or milk (milk = richer flavor, water = lighter crumb) • 1 cup sour cream (full-fat is best) Instructions 1. Preheat oven to 350°F (175°C). 2. In a large bowl, mix cake mix, eggs, liquid, and sour cream until smooth. • Don’t overmix—just until combined. 3. Bake in a greased 9×13 pan for 30–35 minutes, or until a toothpick comes out clean. 4. Let cake cool completely. 5. Crumble the cake finely. • This cake is usually