Chorizo Chili

Name: Chorizo Chili
Prep time: 10 min
Cook time: 3 h 15 min
Total time: 3 h 25 min
Cuisine: American
Ingredients: 2 teaspoons olive oil, or as needed; 0.25 cup chopped onion; 2 cloves garlic, minced; 1 pound ground beef; 12 ounces chorizo sausage; 1 (14 ounce) can diced tomatoes; 1 (14 ounce) can prepared chili; 1 (14 ounce) can butter beans; 0.75 cup tomato sauce; 1 tablespoon chili powder; 1 tablespoon salt-free seasoning blend (such as Mrs. Dash® Chipotle seasoning); salt and ground black pepper to taste