Rhubarb Bar - cooking recipe

Ingredients

3 c. rhubarb
1/2 c. sugar
1/4 tsp. vanilla
1 1/2 c. oats
1 1/2 c. flour
1 c. brown sugar
2 sticks butter
1/2 tsp. soda
2 Tbsp. cornstarch
1 c. water

Preparation

Cook first 3 ingredients, then set aside to cool.
Combine next 5 and stir cornstarch with water and add to oat mixture. Pour 3/4 of this mixture into lightly greased 9 x 13-inch baking dish.
Pour rhubarb on top, then put last 1/4 on top of rhubarb. Bake for 40 minutes at 350\u00b0.
Good plain, or with ice cream or whipping cream, hot or cold.