Grease a jelly roll pan (15 1/2 x 10 1/2")

In a double boiler or in microwave, mix together:
1 12 oz. pkg. chocolate chips
1 can sweetened condensed milk (EagleBrand)
2 T. butter
1/2 t. salt
Heat until smooth, then add:
1 c. chopped nuts (optional)
2 t. vanilla

Cream together:
1 c. butter
2 c. brown sugar

Mix in:
3 eggs
1 t. vanilla

In a separate bowl stir together:
1 t. b. soda
1 t. salt
1/2 c. flour

Add to butter mixture plus:
2 more cups flour
3 c. oatmeal (uncooked)

Mix until smooth.

Spread about 2/3 of oatmeal mixture in bottom of greased pan. Press down with plastic bag over your hand. Cover with chocolate
mixture. Dot with remainder of oatmeal mixture and swirl over filling.

Bake 350 degrees for 25 - 30 min.