Step 1

Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13 inch pan.

Step 2

In a large bowl, stir together 2 cups flour, oats, brown sugar, salt and baking soda. Mix in melted butter until evenly distributed. Press half of the mixture into the bottom of the prepared pan.

Step 3

Bake for 10 minutes in the preheated oven, until lightly toasted. Remove from the oven and immediately sprinkle with chocolate chips. Let stand. In a small bowl, mix the caramel topping with the remaining flour; drizzle evenly over the chocolate chips. Sprinkle the remaining crust mixture evenly over the caramel layer and press down lightly.

Step 4

Bake for 15 more minutes in the preheated oven. Allow to cool completely before cutting into squares.