Filling:
3-4 c rhubarb, cut up
3-4 c strawberries, cut up (or apples or whatever)
3/4 c sugar
1/4 c flour
1/2 tsp cinnamon
Topping:
1 c flour
3/4 c packed brown sugar
3/4 c oats
1/4 tsp vanilla
1/2 c margarine, melted
Toss together filling ingredients. Transfer to greased baking pan.
For topping, toss together flour, sugar, oats and vanilla. Drizzle in margarine. Mix well. Sprinkle over rhubarb mixture.
Bake at 375 until golden brown, about 30 minutes.