Prepare the Avocados:Cut the avocados in half and remove the pits.Scoop the avocado flesh into a large bowl.
Mash the Avocados:Using a fork or potato masher, mash the avocados to your desired consistency. Some people like their guacamole chunky, while others prefer it smooth.
Add the Vegetables:Add the diced onion, tomato, and jalapeño to the mashed avocado.
Add Garlic and Cilantro:Stir in the minced garlic and chopped cilantro.
Add Lime Juice and Seasonings:Squeeze the juice of one lime into the mixture and stir well. Taste the guacamole, and add more lime juice as needed.Season with salt to taste. If desired, add a pinch of ground black pepper.
Adjust and Serve:Taste the guacamole and adjust the seasoning if needed.Serve immediately with tortilla chips, or use it as a topping for tacos, burritos, or other dishes.