Classic Fudge - cooking recipe

Ingredients

2 cups semi-sweet chocolate chips
2 ounces bittersweet chocolate, cut into pieces
14 ounces canned sweetened condensed milk
2 1/2 teaspoons pure vanilla extract
1 cup chopped pecans or 1 cup walnuts

Preparation

Line an 8 inch square pan with waxed paper.
Place chocolate chips, bittersweet chocolate and the SWEETNED CONDENSED milk in a double boiler over hot,but,not boiling water.
Stir the mixture occasionally until the chocolate has melted.
Stir in the vanilla and nuts.
Spread fudge evenly in prepared pan.
Refrigerate for 2 hours or until firm.
Cut when cool and firm.
Store, uncovered in the refrigerator.