Texas Sheet Cake

This is a recipe my mom passed down to me. I don't know where she got it, but it is a big hit with my teen boys and all our friends. It's like a brownie, but it's cake. It's chocolately, but not too much.

• Ready In: 1 hr 5 mins
• Serves: 24

Ingredients

• 1  cup margarine
• 4  tablespoons  cocoa
• 1  cup water
• 2  cups flour
• 2  cups sugar
• 1⁄2 teaspoon salt
• 1  teaspoon baking soda
• 2  eggs
• 1⁄2 cup sour cream

• Frosting

• 1⁄2 cup margarine
• 4  tablespoons  cocoa
• 6  tablespoons milk
• 1 (16 ounce) box powdered sugar
• 1  teaspoon vanilla

Directions

1. Bring to Boil: 2 sticks margarine, 4 T cocoa, and 1 cup water.
2. Into a bowl add: 2 cups flour, 2 cups sugar, ½ teaspoons Salt, 1 tsp baking soda, 2 eggs, ½ cup sour cream (or milk with one teaspoons vinegar).
3. While still warm add the mixture from the pan to the bowl and mix well. Grease a large sheet pan. Bake 20 to 25 minutes at 375 degrees.
4. Frosting: 1 stick oleo, 4 T cocoa, 6 T milk.
5. Bring to boil. Remove from heat and add 1 box powdered sugar and 1 teaspoons Vanilla. Spread over cooled brownies while frosting is still warm.