Sweet Potato Chowder

Ingredients

• 1 celery rib, chopped
• 2 tablespoons butter
• 2 cans (14-1/2 ounces each) chicken broth
• 2 cups water
• 2 teaspoons chicken bouillon granules
• 4 medium potatoes, peeled and cubed
• 1 large sweet potato, peeled and cubed
• 2 cups cubed fully cooked ham
• 2 tablespoons dried minced onion
• 1/2 teaspoon each garlic powder, seasoned salt, dried oregano and parsley flakes
• 1/4 teaspoon each pepper and crushed red pepper flakes
• 1/4 cup all-purpose flour
• 2 cups milk