In a large bowl, mix onion and lime juice. Let sit 5 minutes. Add the avocado, mayonnaise, salt and cilantro, and mix gently to incorporate. Serve immediately with salty tortilla chips.

Burger King's popular 'Mexican Avocado Whopper' has a new product ... The combination of the rich mayonnaise sauce and beef, plus the addition of cheese, makes this the most addictive of the ...