CRUST:

1 c. flour
1/3 tsp. salt
1/2 tsp. baking powder
1/2 c. shortening
1/4 c. water

PIE FILLING:

3 c. rhubarb
1 egg
2 tbsp. flour
1 c. sugar

Mix above ingredients and then blend in the juice of 1 orange (a heaping tablespoon of frozen orange juice can likely be substituted).