You are here: Home » Recipes » Mashed Idaho Potato Omelet Mashed Idaho Potato Omelet Recipe by Idaho Potato Commission Yield 1 servings Combining time-tested favorites, this egg and mashed potato omelet is guaranteed to stave off hunger until well into midday. PrintEmail Ingredients 3 -- eggs4 tablespoons prepared mashed Idaho potatoes1 tablespoon (heaping) low-fat sour cream1 tablespoon thinly sliced green onion1/4 cup grated 2% milk cheddar cheese Instructions Make omelet in the standard method, but do not fold. When the omelet is cooked, spread mashed potatoes on top. Put sour cream on top of potatoes. Add the green onion and grated cheese. Put briefly under a warmer or in the oven to melt cheese. Serve with a fruit garnish.