3 squares (3 oz.) Hershey's unsweetened baking chocolate
1 c. butter, softened
2 c. sugar
1 tsp. vanilla
4 eggs
1 1/2 c. unsifted, all-purpose flour
1/2 tsp. baking powder
1/2 tsp. salt
1/4 tsp. cinnamon
1 (15 oz.) can crushed pineapple, drained well
1/2 c. chopped walnuts

Melt baking chocolate in the top of a double boiler over hot (NOT boiling) water. Cream butter, sugar and vanilla in a large mixing bowl until light and fluffy. Add eggs; beat well. In a separate bowl combine flour, baking powder, salt and cinnamon; blend into creamed mixture. Press excess moisture from pineapple. Stir pineapple into 1 1/3 cup of the batter; set aside. Blend melted baking chocolate into remaining batter. Stir in nuts. Spread chocolate batter into a greased 9"x13" pan. Spread pineapple mixture evenly over top. Bake at 350 degrees for 40 to 45 minutes. Cool completely in pan. Frost with vanilla frosting. Cut into squares. Makes 2 dozen.

VANILLA FROSTING:

1 c. powdered sugar
1 tbsp. shortening
1-2 tbsp. milk
1/2 tsp. vanilla

Combine all ingredients in small mixing bowl. Beat until spreading consistency.