Blueberry Crisp

3/4 c. sugar
3 T. tapioca
1/8 tsp. salt
1/2 tsp. grated lemon rind
1 tsp. lemon juice
1 T. butter
4 c. blueberries

Topping

1 c. flour
1.c. brown sugar
1 c. oatmeal
1 stick butter (1/2 c.)

Mix sugar, tapioca, salt, lemon rind and blueberries and put in a 9"x13" pan. Put topping ingredients in a food processor and blend until mixture is crumbly. Sprinkle 1/2 of the crumbs on the blueberry mixture and bake at 350º for about 30 minutes until mixture bubbles. Refrigerate the other half of the crumbs to use another time on a different fruit.