Dinner Tonight: Vegetarian Chili Recipe

Name: Dinner Tonight: Vegetarian Chili Recipe
Ingredients: 2 teaspoon olive oil; 2 carrots, peeled and cut into thin rounds; 1 leek, green portion reserved for another use, whites cut into thin rounds; 1 red bell pepper, stemmed, seeded, and flesh cut into medium dice; 2 ribs celery, cut into thin slices; 1 teaspoon fine salt; 1 28-ounce can whole peeled tomatoes; 1 quart cold water; 1 15-ounce can red kidney beans; 4 teaspoons chili powder, or to taste; 2 cups cooked rice