Quick Cassoulet

Name: Quick Cassoulet
Ingredients: 1 tablespoon vegetable oil; 2 carrots, diced; 2 stalks celery, diced; 1 small yellow onion, diced; 2 cloves garlic, chopped; 0.5 pound smoked sausage, sliced; 1 (15 ounce) can kidney beans, rinsed and drained; 1 (15 ounce) can cannellini beans, rinsed and drained; 1 (14.5 ounce) can diced tomatoes, drained; 2 bay leaves; 1 teaspoon dried thyme; 0.5 teaspoon salt; 0.25 teaspoon ground black pepper; 1 tablespoon chopped fresh parsley