Leola's Peanut Butter Bars

Ingredients:
1/2 C shortening
1/2 C sugar
1/2 C brown sugar
1/3 C peanut butter
1/2 t vanilla
1 egg
1/4 C milk
1 C flour
1/2 t baking soda
1/2 t salt
1 C quick oatmeal

Frosting:
2 C confectioner's sugar
1/2 C cocoa
3 T melted margarine
2 or 3 T boiling water

Directions:
Preheat oven to 350. Cream sugar and shortening; add peanut butter. Add well beaten egg. Mix baking powder and salt with flour. Add flour mixture to peanut butter mixture, alternating with milk until all are combined. Grease oblong baking pan. Bake at 350 for 20 minutes or longer. Mix frosting and frost on cooled bars. Cut and serve.