Go Anywhere Rhubarb Squares

Ingredients:

1 c. flour
1/3 c. powdered sugar
1/3 c. butter
Filling:
1 c. sugar
1/4 c. flour
2 eggs, lightly beaten
1 tsp. vanilla
3 c. finely chopped fresh or frozen rhubarb

Procedure:
Combine flour & powdered sugar; cut in butter until mixture resembles coarse crumbs. Press into the bottom of a greased 11-inch x 7-inch x 2-inch baking pan. Bake at 350 degrees F for 12 minutes. For filling, combine first four ingredients. Stir in rhubarb; pour over warm crust. Bake at 350 degrees F for 35-40 minutes or until toothpick comes out clean. Cool on wire rack. Serve warm if desired. Store in refrigerator.