1 c. flour
3/4 c. rolled oats
1 c. brown sugar
1/2 c. melted butter
4 c. rhubarb (dry)
1 1/2 c. sugar
1 c. water
4 tbsp. cornstarch
1 tsp. vanilla

Combine flour, oats, brown sugar and melted butter. Mix and pat half of mixture in 9 x 9 baking pan. Spread diced rhubarb over crust.

Cook sugar, water and cornstarch in saucepan until thick and clear. Add vanilla. Pour over rhubarb. Sprinkle rest of crumbly mixture over top.

Bake at 350°F for 35 to 45 minutes.

This is great with other fruit also.