My Grandma's Fudge

Recipe printed from Jenn's Food Journey, from the kitchen of my grandma Phyllis

1/2 cup (1 stick) unsalted butter, sliced
1 12oz bag chocolate chips (the better the quality chocolate the better the fudge, but I'm sure my grandma used Nestle's or something along those lines and her fudge was still amazing!!)
1 teaspoon vanilla
1 cup chopped walnuts (optional)
2 cups sugar
2/3 cup evaporated milk
10 large marshmallows, quartered (or 40 mini marshmallows)

Line a loaf pan with parchment or wax paper; set aside.

Place the butter, chocolate chips, vanilla, and walnuts if you are using them, into a bowl.

In a saucepan over medium heat, bring the sugar, evaporated milk and marshmallows to a boil.  Boil for exactly 6 minutes, stirring constantly. (You may need to adjust your heat so you do not burn the mixture)  Pour boiling mixture into bowl with chocolate chips.  Mix until the chips and butter have melted.  Pour into prepared pan.  Refrigerate overnight or until set.  Enjoy!