– After you open the can of tuna, drain the contents using a strainer. Transfer tuna to a medium size bowl and break pieces apart with a fork.
– Add mayonnaise, minced chipotle pepper, and adobo sauce and start mixing. Stir in the chopped onions and combine with the tuna mixture. Season with salt and pepper.
– Spread tuna mixture on 2 slices of bread. Top with the other slices.
– Heat skillet or grill pan over medium heat. Place the sandwiches on the skillet and cook until golden brown, about 4 –5 minutes per side. Serve with potato chips or cucumber slices. You can serve more Chipotles on the side in case you want to add more to your sandwich.