1jalapenofinely diced with seeds and membrane removed (optional)
Slice the avocados in half lengthwise. Carefully remove the pits. Using a knife, make horizontal and vertical cuts int he avocado, being careful not to cut through the skin. Scoop out the avocado flesh and add to a mixing bowl.
Squeeze the fresh lime juice over the avocado and using a fork, mash the avocado until it reaches the desired consistency.
Stir in the finely diced red onion, jalapeno (optional), chopped cilantro, and season with salt and pepper. Serve immediately or store tightly covered in the refrigerator for 3-4 days. (See blog post for additional storage tips).