01 -
Heat a large heavy-bottomed skillet or Dutch oven over medium-high heat.
02 -
Melt the butter or heat the olive oil, then add the sliced cabbage and cook for 8 to 10 minutes, stirring occasionally, until it begins to brown lightly.
03 -
Add sliced onion and minced garlic to the pan and sauté for an additional 2 minutes until fragrant.
04 -
Pour in the broth, add mustard and kosher salt, then stir thoroughly. Bring the mixture to a boil.
05 -
Reduce heat to a simmer, cover with a lid, and cook for 25 minutes to allow flavors to meld and cabbage to become tender.
06 -
Remove the lid, increase heat to high, and cook for an additional 10 minutes, stirring frequently, to evaporate excess liquid. Serve warm.