Heat half of the olive oil in a large pot over high heat. Add the ham and cook for 1 to 2 minutes until lightly browned. Remove and set aside.
1 tablespoon olive oil, 11/2 cups cubed leftover ham
Add the rest of the olive oil. Add the onion, carrot, and celery. Cook for 4 to 5 minutes until the onion softens. Add the garlic and cook for 1 more minute.
1 cup yellow onion, 1/2 cup carrot, 1/2 cup celery stalk, 11/2 teaspoons garlic
Add the butter and let it melt. Sprinkle in the flour and stir for 1 minute. Add the thyme, oregano, cayenne, salt, and pepper. Cook for 30 seconds.
3 tablespoons unsalted butter, 3 tablespoons flour, 3/4 teaspoon dried thyme, 3/4 teaspoon dried oregano, 1/2 teaspoon ground cayenne pepper, Salt and pepper
Pour in the chicken broth and whisk until it starts to thicken. Add the milk and whisk again for 1 to 2 minutes.
1 1/2 cups chicken broth, 1 cup milk
Bring the soup to a boil, then lower the heat to medium. Add the potatoes and cook for about 20 minutes, stirring often, until tender. If the soup is too thick, add a little extra broth.
2 cups baby gold potatoes
Add the corn, Cheddar cheese, parsley, and cooked ham back into the pot. Heat through until the cheese melted. Taste and adjust seasoning.
1 1/2 cups corn, 1 cup Cheddar cheese, Fresh parsley
Serve warm and enjoy!