-
Place a large stockpot or Dutch oven over medium heat and melt the butter.
-
Add ham and cook until browned.
-
Add onion, carrot, celery, salt, and pepper. Cook until vegetables are tender, 5-8 minutes, stir occasionally.
-
Add garlic and cook for 1 minute.
-
Stir in split peas.
-
Add chopped fresh thyme, rosemary, Italian herbs, and bay leaf. Stir to combine.
-
Stir in chicken broth and water. Bring mixture to a boil, reduce heat, and simmer uncovered for 60-90 minutes, stirring occasionally, until the split peas are cooked through. If the soup is too thick, stir in more broth.
-
Taste and adjust for salt and pepper. Discard the bay leaf.
-
You can also mash some of the veggies, or use an immersion blender. Another alternative is to a portion of the soup to a blender and puree it. Add back and stir to combine.
-
Serve hot topped with croutons and chopped parsley.