Slow Cooker Red Beans and Barley

Uncooked pearl barley

1 cup(s), rinsed (use long-cooking variety; not pearled barley)

Uncooked red onion(s)

1 small, finely chopped

Uncooked celery

1 rib(s), large, chopped

Garlic clove(s)

1 medium clove(s), minced

Red pepper flakes

¼ tsp, crushed, or more to taste

Canned kidney beans

15 oz, drained and rinsed

Canned crushed tomatoes

28 oz

Bay leaf

2 leaf/leaves

Fat free chicken broth

3 cup(s), or vegetable broth

Black pepper

¼ tsp

Table salt

1 tsp