Shred lettuce. Cut tomato and avocado into 1/2" (1.2 cm) cubes. Chop onion finely. Crush tortilla chips into coarse pieces.

Heat oil in a frying pan with garlic. When the pan gets hot, cook meat, breaking it apart at medium high heat. When meat turns color, add onion, and cook until onion is tender. Add salt, ketchup, Worcester sauce, and chili powder, and cook for a couple of minutes stirring constantly.

Put half of rice on a plate with half of lettuce, tomato, and avocado. And then put half of the cooked meat, cheese, and tortilla chips on top. Repeat for a second serving.