Peanut Butter Bars

2 1/2 cups brown sugar
1 1/2 cups butter
1 1/2 cups sugar
6 eggs
2 1/2 cups flour
1 1/2 teaspoon baking soda
3/4 teaspoon salt
4 1/2 cups oats (quick work best)
1 teaspoon vanilla

Cream butter and sugars together.  Add eggs and vanilla.   Mix in all dry ingredients.  Spread on a greased 18 x 26 pan.  Bake at 375 for 10 minutes.  Spread peanut butter on warm bars.  After cool frost with chocolate frosting.

Frosting

1/4 Cup Butter-softened
4 Cups Powdered Sugar
2-4 Tablespoons Milk
1/4 cup cocoa

Mix all together adding 1 tablespoon at a time of the milk.