Bake this irresistible "Killer" Brownies at home. Made with brownie mix, water, cooking oil and eggs. Easy step-by-step instructions included.
This "Killer" Brownies relies on simple, everyday ingredients such as water, cooking oil, eggs and chopped walnuts (optional). It comes together quickly and makes 4 servings, at about 1135 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 "Killer" Brownies 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