Summer Vegetable Chowder

Name: Summer Vegetable Chowder
Ingredients: 1/2 Cup Onion (diced); 2 tsp Minced Garlic; 1 Tbsp butter; 2 Cups Potato (diced); 2 Cups Carrots (diced); 1 1/2 Cups Vegetable or Chicken Broth (Fat Free); 1 Medium Zucchini (diced); 1 Medium Summer Squash (diced); 2 Large Tomatoes (peeled & diced OR 1 can of diced tomatoes); 1/2 tsp Poultry Seasoning; 1/2 tsp Onion Powder; 1 14 Ounce Can Fat Free Evaporated Milk; 2 Tbsp Cornstarch; 1 Cup Ham (diced (or chicken)); 1/2 Cup Reduced Fat Shredded Parmesan Cheese (reserved)