– 2 tbsp butter divided – 8 frozen cheese pierogis – 1/2 lb kielbasa sausage sliced into medallions – 1 cup yellow onion diced – 2/3 cup carrots sliced – 2 cloves garlic pressed or finely minced – 1/4 head of cabbage stem removed & sliced – 1 1/2 tsp fresh dill finely chopped – 1 tsp Dijon mustard – 1/4 tsp caraway seeds – 1/2 lb baby red potatoes quartered – 4 cups chicken broth – kosher salt & pepper to taste