Chocolate Covered Oreo Fudge

Bahan-bahan (24 porsi)

• 1 1/2 cups semi-sweet chocolate chips
• 7 ounces sweetened condensed milk ((½ of a 14-ounce can))
• 2 tablespoons butter
• ½ teaspoon vanilla extract
• 6 quartered Oreos (about ¾ cup worth, reserve several pieces for topping)