1 (5 ounce) can evaporated milk
1/2 cup butter
1/4 teaspoon salt
3 cups miniature marshmallows
1/4 cup water
1 (12 ounce) package milk chocolate chips
In a large saucepan combine sugar, milk, butter, and salt. Over medium heat, bring to a boil and continue cooking, stirring constantly, until mixture thickens slightly, about 8 minutes.
Add marshmallows and water and stir until marshmallows are melted. Remove from heat and stir in chocolate chips.
Spread evenly into wax paper lined 9 inch square pan. Chill 3 hours or until firm. Turn fudge onto cutting board, peel off paper, and cut into squares.