The Best Healthy Crab and Corn Chowder

Name: The Best Healthy Crab and Corn Chowder
Ingredients: 1 Tbsp butter; 1 medium onion, diced; 1-1/2 cups celery, diced (about 4 stalks); 1-1/2 cups yellow squash, seeded and diced (1 medium squash); 1-1/2 cups carrots, diced (washed, not peeled); 3 cups Yukon gold potatoes, cubed (washed, not peeled); 16 oz. frozen corn; 3 cloves of garlic, minced; 1 bay leaf; 1 tsp coarse black pepper; 1 Tbsp Old Bay seasoning; 4 cups low sodium chicken bone broth, divided; 16 oz. frozen cauliflower, cooked according to package directions; 3/4 cup half and half; 1/3 cup chopped fresh parsley; 16 oz. fresh lump crab meat; salt to taste; thinly sliced green onions, optional garnish