Rhubarb Crumble - cooking recipe

Ingredients

1 c. brown sugar
3/4 c. quick rolled oats
1 c. flour
1/2 c. melted butter
1 tsp. cinnamon
4 c. diced rhubarb
1 c. sugar
2 tsp. cornstarch
1 c. water
1 tsp. vanilla

Preparation

Mix brown sugar, oats, flour, butter and cinnamon.
Press 1/2 of mixture into a 9-inch square pan.
Cover with rhubarb.
Mix sugar and cornstarch together.
Add water and vanilla.
Cook until thick and clear.
(Add 3 drops red coloring.)
Pour over rhubarb. Sprinkle remaining brown sugar mixture on top.
Bake at 350\u00b0 for 1 hour.
Top with whipped cream or ice cream.