Fry your bacon in a frying pan on stove top until brown and crispy. Remove from pan and let cool. Save bacon grease.
Add mayo,mustard,salt,pepper and apple cider vinegar to a small mixing bowl. Mix well -Whisk in saved bacon grease until smooth.
In separate bowl mix together slaw mix, cheddar cheese and green onion. Add dressing mixture (wet ingredients) and mix well . Top with extra cheddar cheese , bacon and green onion. Enjoy!