Dice the onion, tomatoes and avocado; set aside.
In a small bowl mix the FUD Crema Dip, lime juice and olive oil.
Drain the tuna and place in a bowl; break it down with a fork to loosen it.
Mix in the FUD Crema Dip-lime juice mixture, chopped ingredients and cilantro.
Serve with tostadas, totopos or as a spread for sandwiches.