Pineapple Cake

Ingredients

• 1 pkg. Betty Crocker's yellow cake mix (prepared according to directions on pkg.)
• 1 (No. 2) can crushed pineapple, undrained
• 1 cube butter
• 1 lb. light brown sugar
• 1/2 c. sugar
• 1 1/2 c. butter
• 5 eggs
• 3 c. sifted flour
• 1 tsp. baking powder
• 1/4 tsp. salt
• 1 c. milk
• 2 tsp. vanilla
• 1 c. chopped walnuts
• 1 Tbsp. flour
• 2 c. sugar
• 1 c. butter or regular margarine
• 4 eggs
• 2 tsp. vanilla
• 1 (4 oz.) pkg. sweet cooking chocolate, melted
• 3 c. sifted flour
• 1/2 tsp. baking soda
• 2 tsp. salt
• 1 c. buttermilk