Blueberry Crumb Bars - cooking recipe

Ingredients

1 c. butter or margarine, softened
2/3 c. confectioners' sugar
1 tsp. vanilla
2 1/2 c. flour

Preparation

Prepare shortbread crust; preheat oven to 375\u00b0.
In large bowl with mixer at medium speed, beat butter, sugar and vanilla until fluffy.
Reduce speed to low, beat in flour just until combined;
with fingers press dough firmly onto bottom of 15 x 10 1/2 jelly roll pan to form crust.
Bake 20 minutes or until crust is golden brown.
Cool slightly on wire rack.
While crust bakes, prepare blueberry filling.