Vegetarian Goulash Soup With Tofu

Name: Vegetarian Goulash Soup With Tofu
Ingredients: 1 lg white or yellow onion, chopped; 2 leeks, washed, trimmed and chopped, including a bit of the green top; 4 ribs celery, chopped; 3 carrots, peeled and chopped; 2 red or green peppers, seeded, pared and chopped; 4 mediums potatoes, peeled and cut into 1 cubes; 4 cloves garlic, peeled and chopped fine; 12 ounces can diced tomatoes together with their juice; 2 teaspoons caraway seeds; 8 tablespoons sweet Hungarian paprika - or adjust to your taste; 3 tablespoons canola or other mild vegetable oil; 4 cups vegetable or other stock, or water; 1 cup firm tofu cut into ½ cubes; Salt and pepper to taste