Super Fudgy Chocolate Cookies

2 1/2 cups semisweet chocolate morsels
1 (14 ounce) can condensed milk, sweetened
3 tablespoons butter or margarine
2 cups unsifted flour
1 teaspoon vanilla
1/2 cup nuts, chopped

In medium saucepan, combine morsels, sweetened condensed milk, and butter.
Cook and stir over low heat until morsels are melted.
Remove from heat, add remaining ingredients; mix well.
Divide dough into one-thirds, shape each into 8-inch roll.
Wrap in wax paper. Chill until firm (about 2 hours).
Preheat oven to 350°.
Cut into 1/4-inch slices.
Place on ungreased cooking sheet. Bake 7-9 minutes or until top is slightly crusted.