Queso Fresco is a crumbly and mild Mexican cheese that is commonly used as a topping for various dishes. It adds a salty and slightly tangy flavor to the food, and its crumbly texture provides a nice contrast. To use Queso Fresco as a topping for Tacos al Carbon, simply crumble the cheese and sprinkle it over the grilled meat in the tortillas. The cheese will melt slightly from the heat of the meat, creating a creamy and savory element. Queso Fresco can also be used as a topping for salads, soups, and grilled vegetables. Its mild flavor pairs well with a variety of ingredients, and it adds a nice finishing touch to the dishes. You can find Queso Fresco in most grocery stores or Mexican markets. If you can't find it, you can substitute it with other crumbly cheeses such as feta or goat cheese. Enjoy the salty and tangy flavors of Queso Fresco as a topping for your Tacos al Carbon, and explore its versatility by using it in other dishes as well.