Back to Preparation Instructions Page Gourmet Mac & Cheese Poppers Preparation Instructions Finish the Mac & Cheese Poppers in the Oven.Preheat oven to 350°. Bake covered for 10 minutes until heated through. Arrange the on a Platter.Once hot, arrange the Poppers on your favorite serving tray, and place a dollop of cheese on top of each popper.Garnish each Popper with a pinch of micro greens. (See photo for details). Take a photo of your food on display, tag @shopcatered – enjoy!