queso fundido recipe

Ingredients 1 tablespoon olive oil 1/2 pound Mexican chorizo, casings removed 1 small onion, finely chopped 2 cloves garlic, minced 1 cup shredded Oaxaca cheese or mozzarella cheese 1 cup shredded Monterey Jack cheese 1 cup shredded cheddar cheese 1/4 cup chopped fresh cilantro Warm tortillas or tortilla chips for serving