Italian One Step Casserole

Ingredients

• 1 pound sausages
• 4 potatoes, peeled and cubed
• 2 carrots, chopped
• 1 onion, chopped
• 3 (15 ounce) cans crushed tomatoes with juice
• 1 1/2 teaspoons salt
• 1 pinch ground black pepper
• 1 pinch dried oregano