Rhubarb Crisp - cooking recipe

Ingredients

1 c. all-purpose flour
1 c. packed brown sugar
3/4 c. oatmeal
1/2 c. melted butter
4 to 5 c. sliced fresh rhubarb
1 c. sugar
1 c. cold water
2 Tbsp. cornstarch
1 tsp. vanilla

Preparation

In bowl, mix flour, brown sugar, oatmeal and butter.
Press 3/4 of mixture into bottom of 9 x 9-inch pan.
Then cover with rhubarb.