2 avocados, diced
1/2 onion, diced
1 jalapeño pepper, vein and seeds removed, diced
1/8 teaspoon salt
Juice of 1/2 lime or lemon

In a mixing bowl, mash with a fork, half of the diced avocado.
Add onion, jalapeño pepper and salt. Mix well. Stir in rest of diced avocado and lime or lemon juice. If not using immediately, cover top of guacamole with plastic wrap to prevent browning.
Serve with chips.