Microwave 12 ounces semisweet chocolate chips and a 14-ounce can sweetened condensed milk, 5 minutes. Stir vigorously, then add 1 1/2 cups chopped nuts and 1 teaspoon vanilla extract. Spread in an 8-inch-square pan lined with buttered parchment paper. Refrigerate, then cut into squares.
Photograph by Antonis Achilleos
Recipe courtesy Food Network Magazine's cookbook: Great Easy Meals