Blueberry Crisp

Ingredients
- 4 c any kind blueberries
- 1 tsp grated lemon rind
- 34 c firmly packed brown sugar
- 12 c all-purpose flour
- 14 c ground cinnamon
- 14 c butter or margarine softened
Directions
- Put berries in dish
- Sprinkle with lemon rind optional Blend ingredients and sprinkle on berries
- Bake in preheated oven at 375 for about 25 minutes