Mince the green onions and serrano peppers as finely as possible
Gently mix all ingredients besides the cheese in a bowl until well combined. Taste and adjust salt and pepper. It should taste a little salty because it will tone down in the oven.
Transfer to an oven-safe dish, cover with cheese, and bake for 25-30 minutes, until cheese is fully melted
Switch oven to high broil and broil for 1-2 minutes to brown cheese.