INGREDIENTS • 12 ounce bag 2 cups semisweet chocolate chips • 4 tablespoons salted butter divided • 1 can 14 ounces sweetened condensed milk, divided • 1 cup peanut butter baking chips INSTRUCTIONS • Grease an 8x8x2-inch square baking pan with butter or shortening and line with parchment paper that overhangs all four sides of the pan (the grease will make the paper stick to the pan). • Combine the semisweet chips, 2 tablespoons of the butter and 1 cup of the milk in a large microwave-safe bowl. Heat at 30 second increments at 100% power until the mixture can be stirred smooth, about 1 minute 30 seconds. • In…