Cut each avocado in half, working around the pit. Twist apart, and remove the pit with a knife. Peel off the skin and toss in a bowl. Add the lime juice to prevent from browning, mash the avocados.

Add the onion, jalapeño pepper, tomato, cilantro, pepper and salt.

To serve as a dip, transfer to a serving dish, garnish with cilantro and serve with tortilla chips.