Atún a la Mexicana is an easy and yummy meal that can be made in under 30 minutes.
Slice the veggies.
Heat up the oil in a skillet over medium heat.
Once the oil is hot add the onion and jalapeno.
Cook for 3 minutes. Season with salt and pepper.
Stir and add the minced garlic and cook for another minute.
Add the tomatoes. Reduce heat to medium low. Cook for 5 minutes or until the tomatoes have softened.
Add the drained tuna and stir. Cook for 5 more minutes.
Remove from heat and let cool before serving.