Heat oil in a large skillet. Add sliced kielbasa and sauté until browned. Remove.
Add onion and cook 2–3 minutes, until softened.
Stir in garlic, cabbage, mustard, vinegar, paprika, salt and pepper.
Cook uncovered for 10–12 minutes, stirring occasionally, until cabbage is tender. Return sausage to heat through.
Taste, adjust seasoning, garnish with fresh green herbs and serve hot.
