In A Large Bowl Combine Flour, Oats, Brown Sugar, Baking Soda, Salt And Melted Butter. Blend Well To Form Crumbly Mixture. Press Half The Mixture Into Bottom Of A 9 X 13 Pan. Bake At 350 Deg F. For 10 Minutes. Remove And Sprinkle With Chocolate Chips And Nuts. Combine Caramel Topping And 3 T Flour. Pour Evenly Over Chips. Sprinkle With The Remaining Oat Mixture And Bake For 20 To 25 Minutes. Cool Competely Before Cutting Into Bars.

Bake At 350 Deg F. For A Total Of 30 To 35 Minutes.