Double 9 inch pie crust
1 1/2 c. sugar
1/4 c. flour
2 c. rhubarb, diced
1 c. drained, crushed pineapple
1 tbsp. butter

Combine all ingredients but butter. Crumble butter over ingredients in pie shell. Adjust top crust. Bake in 425 degree oven for 40 to 50 minutes.