chocolate buttermilk sheet cake
- 1 cup water
- 1 cup (2 stks) margarine -room temp
- 1/2 cup plus 3 tbsp cocoa powder (unsweetened)
- 1/2 cup veg oil
- 2 tsp vanilla extract
- 1 tsp baking soda
- 2 cups sugar
- 2 cups ap flour
- 1/2 tsp salt
- 1/2 cup buttermilk
- 2 large eggs
- 1 cup bittersweet chocolate chips
- 4 cups powdered sugar
- 1/3 cup milk
- 1 cup chopped nuts
butter and flour 15 1/2x10 1/2 x1" baking sheet.
Whisk water and 1/2 cup margarine, 1/2 cup cocoa, oil, 1 tsp vanilla and soda in large bowl to blend. whisk in sugar, flour, salt then milk and eggs. spread batter in pan. sprinkle with chips - bake cake until toothpick tests clean - about 20 minutes.
transfer cake in pan to rack.
melt remaining margarine over med-heat. remove from heat - whisk in powdered sugar, whole milk, remiaing cocoa powder, and 1 tsp vanilla.
spread atop warm cake - sprinkle with nuts. cool...cut into 24 pieces