Peanut Butter Oat Bars

6 cups old fashioned oats
2 cups peanut butter
1 cup honey 
1/2 cup chocolate chips

Toast oats at 350° for 15 minutes. Heat honey and peanut butter in microwave until warm, stir together. Mix oats and peanut butter mixture. Let cool slightly, mix in chocolate chips. Press into greased 9x13 pan. Chill for 15 minutes to set.