Potato, Ham, and Corn Soup

Bahan-bahan (10 porsi)

• 2 tablespoons butter
• 2 cloves garlic (minced)
• 1 medium onion (diced small)
• ¼ cup all-purpose flour*
• 1 tablespoon dried thyme
• 1 tablespoon dried oregano
• 8 cups milk
• 4 pounds yukon (red, or russet potatoes, peeled and chopped into 3/4-inch pieces)
• 1 pound cooked ham (chopped into 1/2-inch pieces)
• 24 ounces frozen corn
• 1 teaspoon kosher salt (adjust to taste)
• ½ teaspoon freshly ground black pepper (adjust to taste)
• ¼ cup brown rice flour