3/4 cup butter
2 cups quick oatmeal
1 1/4 cups flour
1 cup packed brown sugar
1 tsp salt
1 tsp vanilla
1/2 tsp baking soda
1/3 cup dark corn syrup
1/2 to 1 cup chocolate chips
Melt butter in saucepan. Add remaining ingredients except peanut butter and chocolate chips. Press into bottom of greased 13×9-inch pan.
Bake at 375 degrees for 20-25 minutes, or until light golden brown. (Do not overbake.) Spoon peanut butter over hot bars. Melt chocolate chips with 2 Tbsp shortening over hot water (or in microwave). Drizzle over peanut butter.