Make mashed potatoes according to the recipe; May be made ahead of time.
Mix together all ingredients, except for the cheddar cheese and mashed potatoes.
Transfer beef mixture to 3 - 1⁄2 size- 2” deep production pans that have been prepared with nonstick spray; fill ¾ to the fill line. Layer the mashed potatoes on top and sprinkle cheddar cheese. Place pan in top of the dense oven of Multigen for 55 minutes.
Serve hot.
Bulk: Remove from Multigen and cut into square portions.Cold Plating: Allow to cool, cut into square portions, and plate alone or with a side dish. Place on the hot side of the tray to retherm prior to service. Food Accompany: Any vegetable side