How to Make It
Cut each avocado half using the tip of a knife into a 1/2-inch grid, being careful not to cut through the skin. Scoop out the avocado into a bowl. Mash the avocado with a fork until it is nearly at your desired consistency.
Stir in the mango, red onion, cilantro, lime juice, salt and pepper.
Serve immediately or else press a piece of plastic wrap flush into the top of the guacamole, refrigerate and serve preferably within 24 hours.