See's Walnut Chocolate Fudge

See's is a candy shop here in California that makes wonderful chocolates. Whether this is really a copy of their fudge I don't know. I got it from my mother-in-law, Grandma B, over 30 years ago and use it every time we get the chocolate urge.

• Ready In: 16 mins
• Serves: 24

Ingredients

• 2  tablespoons butter
• 10  large marshmallows
• 1  cup evaporated milk
• 2  cups sugar
• 1 1⁄2 cups chocolate chips
• 1  cup  chopped walnuts or 1  cup pecans
• 2  teaspoons vanilla
• 6  tablespoons butter

Directions

1. Butter a 9/13-inch pan.
2. In top of double boiler, melt 1/4 cube butter.
3. Add 10 marshmallows, cut in fourths and melt with butter.
4. In large pan, mix 1/2 large can evaporated milk (7/8 cup) and sugar.
5. Bring to a rolling boil and then boil for 6 minutes, watching closely so that it doesn't burn.
6. In a large bowl, combine chocolate chips, walnuts, vanilla and butter.
7. Pour marshmallow mix and hot syrup mix over chocolate chips and nuts.
8. Stir until well blended.
9. Pour into buttered pan and cool.
10. When cool, cut into squares with a sharp knife.
11. Store covered in refrigerator.