Rhubarb Squares - cooking recipe

Ingredients

1 c. sifted flour
3/4 c. oatmeal
1 tsp. cinnamon
1 c. brown sugar
1/2 c. melted butter
4 c. rhubarb, cut up
1 c. granulated sugar
1 c. water
2 Tbsp. cornstarch
1 tsp. vanilla

Preparation

Crumble first 5 ingredients together and place in 9 x 12-inch pan (save some for topping).
Cook next 5 ingredients until very thick.
Pour over crumbled mixture.
Put topping on.
Bake at 350\u00b0 for 1 hour.
Serve warm or cold topped with vanilla ice cream.