1/2 c. butter
1 c. brown sugar
2 eggs
1 tsp. vanilla
1 1/4 c. flour
3/4 tsp. baking soda
1/2 tsp. salt
1 1/2 c. oatmeal

FILLING:

1 c. semi-sweet chips
3/4 c. sweetened condensed milk
2 tbsp. butter
1/4 tsp. vanilla

Cream together first 4 ingredients - then add next 4 ingredients. Spread 2/3 of this mixture into 9 x 13 inch pan. Next prepare filling - combine the ingredients until chips melt. Pour over oatmeal mixture. Thin remaining oatmeal mixture with milk. Drop by tablespoon onto filling. Bake at 350 degrees for 25 minutes.