04Add the peas, ham, hominy, frozen okra, onion, garlic, Cajun seasoning, and pepper to a large slow-cooker.05Add in 4 1/2 cups water.06Cover and cook on LOW for 8-10 hours.07Increase to HIGH setting and add collard greens and tomatoes; cover and cook 10 minutes.08Check seasoning to taste and adjust as necessary.09Ladle into soup bowls.