Rachel's Peanut Butter Bars

1 c. sugar
1/2 c. peanut butter
1 t. vanilla
1/2 c. margarine
1 egg
1 1/2 c. flour
1/4 t. salt
1 t. baking soda

Cream together sugar, peanut butter, vanilla, margarine and egg.  Add the rest of the ingredients and stir well.  Press into a 9x9 pan and bake at 350 degrees for 15 minutes.  Cool and frost.

Frosting:
2 T. margarine
2 1/2 T. milk
2 T. peanut butter
1 1/2 c. powdered sugar

Combine all ingredients and mix well.