Foryoueats: Slow Cooker Chili

1 tbsp. vegetable oil

1 yellow onion, chopped

1 green bell pepper, chopped

2 lb. ground beef

4 garlic cloves, chopped

2 tbsp. chili powder

1 tbsp. ground cumin

2 tsp. dried oregano

1 28-oz. can diced tomatoes

1 8-oz. can tomato sauce

3 15-oz. cans kidney beans, drained and rinsed

1 14-oz. can beef broth

1 chipotle chile in adobo

2 tbsp. adobo sauce, from 1 can of chipotle chiles in adobo

1 1/2 tsp. salt

1 tsp. ground black pepper

Sour cream, grated cheddar cheese, sliced jalapeños, and tortilla chips, for serving

Slow Cooker Chili