White Texas Cake

Ingredients

• 2 sticks margarine
• 1 c. water
• 2 c. sugar
• 1 tsp. salt
• 2 c. plus 2 Tbsp. flour
• 1 tsp. baking soda
• 3 eggs
• 1/2 c. buttermilk
• 1 tsp. vanilla
• 1 stick margarine
• 4 Tbsp. milk
• 1 lb. box powdered sugar
• 1 tsp. vanilla
• 1 c. nuts (if desired)