1 Tbsp cooking oil
1/4 cup white onion, diced
1 large jalapeno, seeds and stem removed, diced
12 oz white American cheese, shredded
1/4-2/3 cup cream, half and half, or whole milk
2 roma tomatoes, seeds removed and diced
1 small bunch cilantro, roughly chopped
Saute onion and pepper, add cheese and cream until mostly melted, and add the rest of the ingredients.