Heat olive oil in a skillet over medium heat. Add ground beef; cook and stir until browned and crumbly, about 7 minutes. Stir in taco seasoning and cook for another 2 minutes.
Divide lettuce, avocado, tomatoes, and green onions between 2 bowls; place ground beef on top. Top taco bowls with salsa, sour cream, and cilantro.
