Next I add the chopped fresh tomatoes, onion, frozen peas, cilantro and jalapenos, stirring ingredients into the rest. I continue to cook the ingredients, turning with a spatula occasionally, until the potatoes look browned enough & all is heated through. Approximately 7 - 10 minutes. At this time I sprinkle the Cheese over the top of the hot dish, 'cover it' and remove from heat and let stand until all the cheese has melted. Serve with Sour Cream (optional). You may add Salsa if you really like a kick, but this dish has plenty so not necessary.