Take the avocados,core and peel the skin , put in a mixing bowl. sprinkle some garlic salt 2 maybe 3, (season to your liking), add 3 drops of lemon juice, this prevents browning if using as a dip at a party, or leaving out.
Using a hand mixer, mash the avocado down, to smaller pieces, then beat until you reach desired texture.
That's it. You have homemade guacamole.
Depending what else you like in it, you can add other ingredients, but it will more than likely throw off the flavor.