Boil water in a pot, add maize flour, and stir until thick to make ugali.

Heat oil in a pan, sauté onions, add tomatoes, then beef and carrots. Cook until beef is done.

In another pan, sauté collard greens with a little oil and salt until just wilted.

Slice avocado.

Serve ugali with beef stew, sukuma wiki, and avocado. Top greens with tomato sauce if desired.