Bake this irresistible Fudge Filled Peanut Butter Bar at home. Made with yellow cake, peanut butter, eggs and chocolate chips. Easy step-by-step instruc…
This Fudge Filled Peanut Butter Bar relies on simple, everyday ingredients such as yellow cake mix (dry), peanut butter, eggs and (6 oz.) pkg. chocolate chips. It comes together quickly and makes 4 servings, at about 1137 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 Fudge Filled Peanut Butter Bar 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