Slow Cooker Chili

Name: Slow Cooker Chili
Prep time: 10 min
Cook time: 4 h 10 min
Total time: 4 h 20 min
Cuisine: American
Ingredients: 1 Tablespoon olive oil; 2 pounds lean ground beef; 1 medium red or yellow onion, peeled and diced; 4 cloves of garlic, minced; 1 chipotle chili in adobo sauce, chopped (*add more for extra smokyness and heat); 2 (15 ounce) cans dark red kidney beans, rinsed and drained (**see below for substitution ideas); 2 (15 ounce) cans tomato sauce; 2 (15 ounce) cans diced tomatoes; 1 (15 ounce) can light red kidney beans, rinsed and drained; 1 (4 ounce) can chopped green chiles; 1 cup beer or beef broth; 2 Tablespoons chili powder; 1 Tablespoon ground cumin; 1 teaspoon salt; 1 teaspoon sugar; 1/2 teaspoon black pepper; (Optional toppings: shredded cheddar cheese, crushed tortilla chips or strips, thinly-sliced green onions, sour cream, salsa, etc.)