Corn: White corn is traditionally used in Mexico, but yellow corn can be substituted. You could also substitute 3 cups frozen corn.
Cheese:Cotija cheese is traditional, but if you can’t find it, substitute finely grated parmesan cheese.
Make Ahead Instructions: Follow the instructions to cook the corn and onion mixture, allow it to cool, then keep it covered in a container in the fridge. The topping ingredients can be prepped and stored too. Before you serve it, just re-warm the corn in a skillet then continue separating it into cups and adding the toppings.
Freezing Instructions: Follow the instructions to cook corn then allow it to cool and store in a freezer safe container for 6 months. Let thaw overnight in the fridge then heat on the stove in a pan before separating it into cups and adding toppings.