Stouffer's Homestyle Mashed Potatoes Frozen Side Dish offers a quick, easy addition to lunch or dinner. Made with real potatoes mashed with cream and pepper, this Stouffer's frozen dish is sure to satisfy every taste bud. This cook and serve Stouffer's frozen food is easy to prepare in the microwave, making these frozen mashed potatoes an easy complement to a frozen meal or snack when you're short on time. Keep Stouffers mashed potatoes frozen side dishes in the freezer until you're ready to enjoy.