Peanut Butter Fingers

 Mix 

1 Cup melted butter

1 1/2 Cups brown sugar

1 1/2 Cups peanut butter

1 1/2 Cups sugar

3 eggs

1 TBS vanilla

Add:

1 1/2 tsp soda

3 Cups flour

3/4 tsp salt

1 1/2 Cups oats

Spread in 1/2 sheet pan.  Bake for 20 minutes.  While warm, spread with 2 cups of peanut butter mixed with 1/4 cup butter.  Cool and frost with chocolate frosting