Chocolate Banana Cake
["2 (1 oz.) sq. unsweetened chocolate", "1 c. butter or margarine, softened", "2 3/4 c. sugar", "3 eggs", "3 c. all-purpose flour", "2 tsp. baking powder", "1/4 tsp. baking soda", "1/4 tsp. salt", "1 c. mashed bananas", "2/3 c. buttermilk", "1 Tbsp. vanilla extract", "1 c. chopped pecans", "Chocolate Frosting (recipe follows)"]
["Place chocolate", "in", "top of a double boiler; bring water to a boil.", "Reduce", "heat", "to", "low; cook until chocolate melts. Set aside to", "cool.", "Cream butter, gradually add sugar, beating well with", "an", "electric", "mixer.", "Add eggs, 1 at a time, beating well after", "each addition.", "Combine flour, baking powder, soda and salt;", "add", "to", "creamed", "mixture", "alternately with banana, buttermilk", "and", "melted", "chocolate,", "beginning", "and ending with flour mixture.", "Mix", "well after each addition.", "Stir in vanilla and pecans.", "Spoon batter into", "3", "(9-inch) greased and floured round cake pans.", "Bake at 350\u00b0 for 30 minutes or until a wooden pick", "inserted", "in center comes out", "clean.", "Cool", "in", "pans", "10 minutes;", "remove from pan and", "cool", "completely.", "Spread Chocolate Frosting between layers and on top and sides of cake."]
["unsweetened chocolate", "butter", "sugar", "eggs", "all-purpose", "baking powder", "baking soda", "salt", "bananas", "buttermilk", "vanilla", "pecans", "Chocolate Frosting"]