Debbie's Fudge

4-1/2 cups sugar
1 stick butter (8 tablespoons)
1 cup evaporated milk
2 (12-ounce) package real chocolate chips
1 (10-1/2 ounce) bag miniature marshmallows
1 cup walnuts, chopped
1 teaspoon vanilla

In very large bowl, mix together chocolate chips, marshmallows, walnuts, and vanilla. Bring sugar, butter, and evaporated milk to a boil. When it starts to boil, make sure it boils exactly 7 minutes over medium heat. Pour boiled mixture over mixture in bowl. Stir until blended; do not beat. Pour into greased 9x13-inch pan. Chill until firm.

[Quantity not given, but can get about 96 pieces about 1-inch square, or 48 pieces about 2x1 inches.]

(from Debbie R., then Debbie C.)