Place olive oil in a medium saucepan over medium heat.
Add onion, garlic and sauté for a minute.
Add ground beef, salt, Mexican seasoning and brown beef, remove from heat.
Get out your food containers for the week. Place ground beef in 4 containers, top with salsa and cheese. In separate containers place three Bib lettuce leaves for each day.
To eat, heat up filling and dollop into the center of lettuce leaves.