Bake this irresistible Peanut Butter Crunch Cake at home. Made with brown sugar, peanut butter, yellow cake and eggs. Easy step-by-step instructions inc…
This Peanut Butter Crunch Cake relies on simple, everyday ingredients such as brown sugar, peanut butter, (18 1/2 oz.) yellow cake mix and eggs. It comes together quickly and makes 4 servings, at about 759 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
Whether you're rounding off a family dinner, bringing a treat to a gathering, or simply satisfying a sweet craving, this Peanut Butter Crunch Cake delivers. Serve it warm or at room temperature, and add a scoop of ice cream or a spoonful of whipped cream for an extra-special finish.
Updated Jun 30, 2026