""Also to check if it's done stick a tooth pick in and if it comes out clean
This Cookie Bars relies on simple, everyday ingredients such as box yellow cake mix, eggs, vegetable oil and water. It comes together quickly and makes 4 servings, at about 525 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 Cookie Bars 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