1. Preheat oven to 400°F and line a baking sheet with parchment paper. Onto the baking sheet add the Kielbasapieces and cabbage. Drizzle with olive oil, salt, and pepper. Bake for 20 minutes. Heat your oven on broiler at 500°F and let the kielbasa and cabbage roast for another 5 minutes, until everything has a slight char.
2. In a medium pan, cook the pierogi according to the package instructions.
3. To make the yogurt dill sauce, add the Greek yogurt, minced garlic, and chopped dill into a small bowl and mix. Season with salt and pepper to taste.
4. Add the cooked pierogi to the sheet pan. Serve with dill yogurt and garnish with dill.