3/4 c. sugar
3 heaping tbsp. flour
1 c. water
1 tsp. vanilla
3/4 stick butter
4 c. well drained blueberries

Mix sugar and flour real well in a 1 quart saucepan. Add water, vanilla and butter. Stirring constantly, cook until very thick. Let cool. Mix in blueberries. Put into baked pie shell. Top with whipped cream. Chill and enjoy.