Heat oil in a medium pan. Add onions and cook until soft, 2 to 3 minutes. Add tomatoes, green chilies, cumin, salt and black pepper to taste and cook another few minutes. Set aside and keep warm.
in another medium non-stick pan or griddle, lightly spray the tortillas with oil on both sides and heat over medium-high heat until the tortillas gets crispy and pockets or air bubbles start to form inside, abour 1 to 2 minutes on each side. Set aside.
Reduce heat to medium-low and lightly spray with more oil, add eggs, salt and pepper. Cover and cook until the whites set for sunny-side up or longer for your liking.
To serve, place 2 tortillas on each plate, top with half of the tomatoes, 2 eggs, lettuce, cheese and cilantro.
