Snowy White Fudge
["1 c. butter (2 sticks)", "1 can undiluted evaporated milk (12 oz.)", "4 c. sugar", "1 pkg. white chocolate wafers (12 oz.) or block white chocolate, chopped", "1 jar marshmallow cream (7 oz.)", "1 c. chopped nuts", "1 tsp. vanilla"]
["Let butter begin to melt in heavy 3-quart saucepan.", "Brush sides of pan with melted butter.", "Add evaporated milk and sugar. Cook over medium-high heat to boiling, about 8 minutes, whisking constantly to dissolve sugar.", "Cook over medium-high heat, whisking frequently to soft ball stage, 236\u00b0, about 12 to 15 minutes.", "Remove from heat.", "Add candy wafers, marshmallow cream, walnuts and vanilla; stir until well blended.", "Pour into well buttered 13 x 9 x 2-inch pan; cool and cut into squares."]
["butter", "milk", "sugar", "white chocolate wafers", "marshmallow cream", "nuts", "vanilla"]