FILLING:

3 c. fresh or frozen rhubarb
1 (16 oz.) pkg. frozen sliced sweetened strawberries, thawed
2 tbsp. lemon juice
1 c. sugar
1/3 c. cornstarch

In saucepan combine rhubarb. Cut into 1 inch pieces and add strawberries. Cook covered about 5 minutes. Add lemon juice. Combine the sugar and cornstarch. Add to rhubarb mixture. Cook and stir 4 to 5 minutes or until thickened and bubbly. Cool.

CAKE:

3 c. flour
1 c. sugar
1 tsp. baking soda
1 tsp. baking powder
1 tsp. salt
1 c. butter
1 c. buttermilk
2 eggs, slightly beaten
1 tsp. vanilla

In mixing bowl stir together flour, sugar, baking soda, baking powder and salt. Cut in butter until it resembles fine crumbs. Beat together buttermilk, eggs and vanilla. Add to the dry ingredients. Stir to moisten. Spread half of batter in a greased 13 x 9 x 2 pan. Spread the cooled filling over the batter in pan. Spoon remainder batter in small mounds atop of filling.

TOPPING:

3/4 c. sugar
1/2 c. flour
1/4 c. butter

Combine the sugar and flour. Cut in butter to make fine crumbs. Sprinkle crumbs over the batter in pan. Bake at 350 degrees for 40 to 45 minutes.