
Sift together:
1 cup flour
¼ tsp salt
Add to flour mixture:
1 cup rolled oats
½ cup sugar
⅓ cup melted shortening
Blend together until crumbly. Line a 9in pie plate with ½ of mixture. Save remaining half for top.
Filling:
3 cups diced rhubarb
½ cup sugar
¼ tsp cinnamon
1 tbsp water
Arrange rhubarb over bottom crust. Sprinkle with sugar, cinnamon and water. Dot with 1 tbsp butter. Spread remaining topping over filling. Bake at 350 40 minutes. Serve warm or cold with whipped cream.