2/3 c. butter, melted
1 c. brown sugar
5 c. oatmeal
1/2 c. corn syrup
3 tsp. vanilla extract
Dash of salt

Mix ingredients by hand and put evenly in a greased 10"x13" pan. Bake 12 to 15 minutes at 375 degrees or until edge turns light brown in color. Let cool. For topping, melt 1 cup chocolate chips and 2/3 cup peanut butter. Spread on top, let cool and cut into square bars.