Rhubarb Crisp - cooking recipe

Ingredients

1 stick melted butter
1 c. quick cooking oatmeal
1 c. brown sugar
1 c. flour
4 to 5 c. diced fresh rhubarb
1 c. water
1 c. white sugar
1 Tbsp. cornstarch
1 tsp. vanilla

Preparation

Mix first 4 ingredients.
Use half of mixture to cover bottom of 13 x 9 x 2-inch pan.
Fill with diced rhubarb.
Cook last 4 ingredients until thick and clear.
Pour evenly over rhubarb. Cover with remaining crumb mixture.
Cook at 350\u00b0 for 1 hour. Serve warm with whipped cream or ice cream.