Slow-Cooker Cowboy Chili - cooking recipe

Ingredients

3 lbs lean hamburger
1 tablespoon olive oil
12 serrano peppers (or to taste)
1 (28 ounce) can crushed tomatoes
3 large garlic cloves, minced
1/4 cup chili powder (adjust according to your tolerance for heat)
1 (6 ounce) can tomato paste
1 cup chicken stock
2 (4 ounce) cans diced green chilies (adjust according to taste)
1 tablespoon cumin
2 teaspoons cayenne pepper
1 (28 ounce) can pinto beans
1 tablespoon apple cider vinegar
2 finely chopped onions

Preparation

In a large skillet, brown the beef and drain.
Place the beef in the crockpot and add all the ingredients except the onions.
Cover and cook on low for 6 hours.
Add the onions and cook on low for an additional 2 hours.