Peanut Butter Swirl Snack Cake
Preheat oven to 350°F. Lightly grease 8x8x2-inch pan.
In medium bowl, stir together Krusteaz Double Chocolate Muffin Mix, water, oil and eggs until moistened. Spoon batter into prepared pan. Spoon peanut butter randomly onto batter. Swirl with knife for marbled effect.
Bake 40-45 minutes or until toothpick inserted into center comes out clean.