Extra-lean kolbassa is the centrepiece of this easy and delicious dinner recipe, baked indoors or grilled on the barbecue. Grilled Kolbassa with Onions and Peppers Ingredients 30 ml (2 tbsp.) extra virgin olive oil 1 large onion, cut into 1 cm (½ in.) slices 1 chili pepper, seeded, cut in 0.5 cm (¼ in.) strips …