Texas Sheet Cake - Brownies - cooking recipe

Ingredients

2 c. flour
2 c. sugar
2 sticks margarine
4 Tbsp. cocoa
1 c. cold water
1/2 c. buttermilk
1 tsp. vanilla
1 tsp. cinnamon
1 tsp. soda
1/4 tsp. salt
2 eggs

Preparation

In saucepan, bring to a boil the margarine, cocoa and cold water.
Pour over the flour and sugar.
Add remaining ingredients; beat and pour into a large rimmed cookie sheet, 10 x 15-inch at least.
Bake for 20 minutes at 400\u00b0.
Last 5 minutes of baking time, make icing.