Apple Oatmeal Bar Cookie

2 cups all purpose flour
1-teaspoon salt
1-teaspoon baking soda
1 cup packed brown sugar
1 cup rolled oats
1-cup butter
4 tablespoons butter
6 cups apples (thinly sliced) 

Mix flour, salt and baking soda.

Add brown sugar and oatmeal and mix well.

Cut in 1-cup butter.

Spread half of the crumb mixture in a buttered 9 x 13 pan.

Put apples on top of bottom layer.

Cover with remaining crumb mixture and dot with 4 tablespoons butter.

Bake at 350° for 40 to 45 minutes.

(Source: www.annsgoodies.com)