Rhubarb Crisp - cooking recipe

Ingredients

3/4 c. oatmeal
1/2 c. margarine
1 c. brown sugar
1 tsp. cinnamon
1 c. flour
4 c. rhubarb
1 c. water
1 c. sugar
1 tsp. vanilla
2 Tbsp. cornstarch

Preparation

Make a crumb mixture of the first 5 ingredients and put half of it in a greased 9 x 9 pan.