Foolproof Fudge - cooking recipe

Ingredients

3 (6 ounce) packages semi-sweet chocolate chips (preferably Nestle's)
2 ounces unsweetened chocolate (optional)
1 can Eagle Brand Condensed Milk
1/4 teaspoon salt
1 cup chopped nuts (toasted if desired or more to taste, preferably LOTS MORE)
1 1/2 teaspoons vanilla extract

Preparation

Line an 8\" square pan with waxed paper.
Combine the first 4 ingredients in a medium saucepan, and place over low heat until mixture is melted and combined, stirring regularly.
When melted, remove from heat.
Stir in vanilla and then the nuts.
Spread mixture into the lined pan.
Cool to room temperature, then refrigerate if necessary until set.
Turn out of pan, peel off the paper, and cut into 1\" squares.