Preheat oven to 350 degrees. Combine flour, oats.brown sugar, pinch of salt, baking soda and butter in bowl and blend well enough to form crumbs. Pat down two-thirds crumb mixture into sprayed 9x13 baking pan and bake for 10 minutes.
Remove from oven and sprinkle with chocolate chips and pecans. Blend caramel topping with the 3 Tbs. of flour, blending well, and spread over chips and pecans. Sprinkle with remaining crumb mixture and bake for 20 minutes or until golden brown. Refrigerate for a couple of hours before cutting into squares