Mix potatoes, onion, garlic, seasonings, and oil in a large bowl.
Combine kielbasa, zucchini, bell pepper, and Italian dressing in another bowl.
Preheat to medium-high, add potato mixture in a single layer. Cook 5 minutes, flip, and cook 5 more.
Add sausage mixture, spread evenly, and cook 5 minutes per side until golden.
Rest a few minutes before serving. Garnish with hot sauce or a fried egg.
