How Do You Cook Frozen Mashed Potatoes?
How Do You Cook Frozen Mashed Potatoes? Oven. Place frozen or thawed potatoes in a covered oven-safe dish and heat in a 350o F oven for 20 to 30 minutes, stirring occasionally, until heated through. Do I need to defrost frozen mashed potatoes? Fatty, creamy, rich mashed potatoes will freeze better than other mash so