- In a medium pan over medium heat, add ground beef, onion powder, chili powder, salt and pepper.
- Brown the meat, continually breaking up and stirring until fully cooked.
- Assemble the lettuce wraps by layering a scoop of the beef, tomato, cheese, onion, and mustard on a large piece of lettuce and top with cooked bacon slices. Repeat with remaining ingredients.
- Serve immediately.