In a large skillet, cook the chopped bacon over medium heat until it becomes crispy.

Once cooked, use a slotted spoon to remove the bacon and set it aside, leaving the rendered bacon fat in the pan.

In the same skillet with the bacon fat, add the diced onion and cook until softened, about 3-4 minutes.

Add the minced garlic and sauté for an additional minute, until fragrant.

Add the chopped or shredded cabbage to the skillet, stirring well to combine it with the onions and garlic.

Season with salt and pepper to taste. Cook the cabbage for 8-10 minutes, stirring occasionally, until it becomes tender but still has a slight crunch.

If desired, stir in the apple cider vinegar for a tangy brightness and the red pepper flakes for a bit of heat.

Cook for an additional 2 to 3 minutes to let the flavors blend together beautifully.

Once the cabbage is cooked to your liking, stir the crispy bacon back into the skillet.

Mix everything together, taste, and adjust seasoning if necessary. Serve hot as a delicious side dish to accompany any meal.