Almost Fat Free Brownies

1/2 c Unsweetened Cocoa Powder
4 oz Jar Prune Baby Food
3 Egg Whites
1 c Sugar
1 ts Salt
1 ts Vanilla
1/2 c Flour
1/4 c Nuts (optional) Preheat oven to 350 degrees. Spray an 8-inch square baking pan with cooking spray. Combine all ingredients.
Add nuts if desired. Bake about 30 minutes or until springy to touch. Cool on rack. Cut into 16 pieces.