4 c. oats
1 c. brown sugar
1/2 c. white corn syrup
2/3 c. butter
2 tbsp. vanilla
1 c. chocolate chips
1 c. peanut butter

Preheat oven to 350 degrees.

Mix the first 5 ingredients and pat in 9 by 13 pan. Bake at 350 degrees for 12 minutes EXACTLY. Remove and cool a little.

Melt peanut butter and chocolate chips. Pour over bars. Refrigerate until hard.