Cheeseburger Sliders

Directions

1. MIX together the ground beef, salt, black pepper, Worcestershire sauce, Dijon mustard, grated onion, and egg until well combined.
2. FORM the beef into 4 even patties and chill in the fridge for 1 hour. 
3. SELECT Preheat on the Cosori Air Fryer and press Start/Pause. 
4. RUB the patties with olive oil and place the burgers into the preheated air. 
5. SELECT Steak, adjust the time to 8 minutes, and press Start/Pause.
6. FLIP the burgers halfway through cooking to ensure even browning.
7. ADD the slices of cheddar cheese to each of the burgers with 1 minute of cooking left. 
8. SERVE on mini slider buns.