Step 1

Heat olive oil in a Dutch oven over medium heat. Cook and stir onions and garlic in hot oil until onion is translucent, 3 to 5 minutes.

Step 2

Stir cabbage, vinegar, caraway seeds, and sugar with the onion mixture; bring to a simmer and cook until the cabbage is softened, about 15 minutes.

Step 3

Stir sausage, tomatoes, and salsa with the cabbage mixture; season with salt and pepper. Place a cover on the Dutch oven and cook until cabbage is completely tender, 45 to 60 minutes.