1 1/3 c. plus 3 tbsp. flour, divided
1 1/3 c. quick-cooking oats
1 c. brown sugar
1/2 tsp. baking soda
1/4 tsp. salt
1 c. butter, melted
1 (12 oz.) pkg. chocolate chips
Chopped pecans (optional)
1 (12 oz.) jar caramel sauce

In a large bowl, combine 1 1/3 cups flour, oats, brown sugar, soda, and salt. Add melted butter and blend well. Press half into the bottom of a 9 x 13 inch baking pan. Bake at 350 degrees for 10 minutes.

Remove from oven, sprinkle with chocolate chips and nuts if desired. Combine the caramel topping and remaining 3 tablespoons flour and pour evenly over the chips. Dollop remaining oat mixture over the top and bake at 350 degrees for 20 to 25 minutes. Cool and cut into 2 inch bars.