Rhubarb Bars - cooking recipe

Ingredients

4 c. rhubarb, diced
1 1/2 c. sugar
2 Tbsp. cornstarch
1/4 c. water
1 tsp. vanilla
1 1/2 c. oatmeal
1 1/2 c. flour
1 c. brown sugar
1/2 tsp. soda
1 c. shortening
1 c. chopped nuts (optional)

Preparation

Mix ingredients together until crumbly.
Put 3/4 of mixture in a 9 x 13-inch pan.
Pour rhubarb mixture over this, then add remaining crumbs.
Bake at 375\u00b0 for 30 to 35 minutes.