Slow Cooker Corn Chowder

Bahan-bahan (12 porsi)

• 2 large carrots (chopped)
• 1 large onion (chopped)
• 4 potatoes (chopped)
• 2 (15 ounce) cans corn kernels (, drained OR 3 cups frozen corn)
• 2 (14.75 ounce) cans creamed corn
• 4 cups water (OR chicken broth)
• 1 pound bacon (cooked and crumbled)
• ½ teaspoon dried thyme leaves
• 1 teaspoon dried parsley
• ½ teaspoon garlic powder
• salt and pepper to taste
• 1 (12 ounce) can evaporated milk
• 2 tablespoons cornstarch
• 3 tablespoons butter (optional)