3/4 c. butter
1 1/2 c. flour
1/2 tsp. baking powder
Salt
1 egg
1/2 egg shell of milk

Do not grease pan - handle dough like pie crust. Mix dough and press into 9 x 13 inch pan; corners first. Let dough ride up side of pan to form a shell.

FILLING:

4 c. rhubarb
1 1/2 c. sugar
1 tsp. vanilla
3 eggs
2 tbsp. flour
1/2 c. sugar and 1 tsp. cinnamon

Mix filling, pour into crust. Sprinkle sugar-cinnamon mixture over top. Bake at 375 degrees for 40 minutes.