1 cup butter (reserve 2 Tablespoons)
1 cup powdered sugar
1 1/4 cup flour
1/3 cup cocoa
Cream together. Spread into bottom of sprayed 9" x 13" pan. Bake at 325 degrees for 10 minutes.
In a saucepan on stove or in microwave, heat the following ingredients until thickened:
1 can sweetened condensed milk
2 Tablespoons of the remaining butter
Stir in: 2 teaspoons of vanilla
Pour over crust. Bake until bubbly (watch carefully). Top with 1 1/2 cups milk chocolate chips. Let stand a minute or two until melted, then spread with a knife. Sprinkle with 1/2 cup toasted pecans.