1 pkg. (21.5 oz.) Betty Crocker fudge brownie mix
1/4 c. flour
1/4 c. vegetable oil
3 tbsp. water
2 eggs
1/2 c. chopped nuts
1 c. chocolate chips, peanut butter chips, butterscotch chips or M&M'S®

Combine all ingredients, mixing by hand. Bake until just set at 350 degrees about 9-10 minutes.