Cookie Base
1 cup real butter (2 sticks) at room temperature
1 cup granulated sugar
2 cups brown sugar
1 1/2 cups peanut butter (chunky or smooth)
3 eggs
2 teaspoons vanilla
1 1/2 teaspoons baking soda
1/2 teaspoons table salt
3 cups all purpose flour
3 cups quick oats

Fudge Frosting
4 cups powdered sugar
1/2 cup cocoa powder
1/4 teaspoon table salt
1/3 cup butter, softened
1/3 cup boiling water
1 teaspoon vanilla extract