Cook the bacon in a skillet over medium heat, 2 to 3 minutes per side.
4 bacon slices
Set bacon aside, keeping some of the bacon fat in the skillet.
Add the cabbage wedges cut side down, and cook for 4 to 5 minutes.
2 small cabbage heads cut into wedges
Add the onion and season to taste with salt and pepper.
1 small onion, Sea salt and freshly ground black pepper
Stir in the vinegar and cook over medium-high heat until reduced by half.
¼ cup apple cider vinegar
Add the cider, reduce heat and bring to a light simmer; cover and cook for 15 to 20 minutes.
½ cup apple cider
Crumble the bacon and sprinkle on top of the cabbage and serve.