Cheesy ham Chowder

Looking for a great way to use up your leftover Thanksgiving Ham? This chowder recipe is a favorite at our house that even my kids ask for seconds of! I love it because it's comes together quickly, is easily customizable, is relatively healthy if you can handle dairy, and is filling! (Original recipe found here.)
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1¾ cups water
2 cups peeled, cubed Butter Gold or Yukon Gold potatoes (cubes about ½" to ¾")
½ cup sliced carrots (I buy shredded carrots and chop those in thirds)
2 cloves garlic, minced
1 tsp. salt
¾ tsp. garlic salt
½ tsp. pepper
¼ cup butter
¼ cup cornstarch
2 cups milk
2 cups (8 oz.) sharp cheddar cheese (cubed or shredded)
2 cups frozen or fresh corn
1½ or 2 cups cubed ham (fully cooked)

1) In a large pot, bring water, potatoes, carrots, and garlic to a boil. Stir in salt, garlic salt, and pepper.
2) Reduce heat, cover, and simmer for 8-10 minutes or until potatoes and carrots are tender. Add the ham cubes and frozen corn. Reduce heat to lowest setting.
3) Meanwhile, in a medium saucepan, melt the butter, then whisk in the cornstarch.
4) Add the milk to the butter/cornstarch mixture and whisk together.
5) Cook and stir until thickened and bubbly.
6) Add cheddar cheese cubes or shreds and stir until melted.
7) Pour creamy contents of medium saucepan into the large pot of ham and vegetables. Heat through over medium heat, stirring occasionally, until read to serve.