Rhubarb Butter Crunch

Ingredients
- 3 c rhubarb chopped
- 1 c sugar
- 3 Tbsp flour
- 1 c oats
- 1 c brown sugar packed
- 1 12 c flour
- 12 c butter
- 12 c margarine
Directions
- Preheat
- oven
- to
- 350
- Mix
- rhubarb with sugar and 3 tablespoons flour in a 9 x 9-inch baking pan
- Mix oats brown sugar
- and 1 12 cups flour in bowl
- Cut in butter and margarine until crumbly
- Sprinkle over rhubarb
- Bake 40 minutes May double
- rhubarb
- for
- a
- 9 x 13-inch pan leaving topping ingredients the same