Chop the onion and reserve a few Tbsps for garnish
Transfer all the remaining onion to a cast iron skillet over medium heat.
Add carrot and garlic and stir to combine. Cook for 5 minutes then add the ground beef
Season the meat with salt, pepper, apple cider vinegar, and water
Stir to combine and cook until meat is browned and water has evaporated
While the meat is cooking prepare a large plate or bowl. Place the greens onto the plate or bowl.
Top the greens with two large heaping spoons full of taco meat
Garnish with reserved chopped onion and a dollop of mayonnaise
Serve!
Servings 1