Tillie Scotch Bars - cooking recipe

Ingredients

1/2 c. margarine (1 stick)
1/4 c. sugar
1/4 c. brown sugar
1/2 tsp. vanilla
1 egg yolk
1/2 c. flour
1/2 c. rolled oats
1 (6 oz.) pkg. butterscotch bits or chocolate bits
1/2 c. walnuts

Preparation

Cream margarine, then gradually add both sugars and beat well. Add vanilla and egg yolk.
Beat until soft and fluffy.
Stir in flour and rolled oats and blend well.