1 1/2 lb Ground Beef

    1/4 c  Onion; Chopped

      1 t  Salt

      1 t  Worcestershire Sauce

    1/4 t  Pepper

    3/4 c  Water

  1 1/4 oz Taco Seasoning Mix; 1 Env.

      1 ea Avocado; Ripe, Small

      4 oz Cheddar Cheese; Shredded, 1C

  Mix meat, onion, salt, Worcestershire sauce and pepper.  Shape mixture
  into 6 patties, each about 3/4-inch thick.  Brown patties in a large
  skillet over medium-high heat, turning once.  Remove patties and set
  aside.  Pour fat from the skillet.  Mix water and seasoning mix in the
  same skillet and heat to boiling.  Reduce the heat and return the patties
  to the skillet.  Turn each one to coat with the sauce.  Peel avocado and
  cut into 6 rings.  Top each patty with an avocado ring.  Cover and simmer
  10 minutes.  Sprinkle with the cheese; cover and heat until the cheese has

  melted, about 2 minutes.  Serve sauce over the patties.
  NOTE:
  You can substitute 1 medium tomato, sliced for the avocado rings.