Ingredient:

• 2 sweet potatoes, peeled and cubed
• 1 tablespoon corn oil
• salt and pepper to taste
• 1 (12 ounce) package frozen corn kernels, thawed
• 1 cup water
• 1 tablespoon corn oil
• 1 ½ cups finely diced celery
• 1 cup diced red onion
• ¼ cup shallot, minced
• 1 tablespoon tomato paste
• ½ teaspoon dried thyme leaves
• 3 cups vegetable broth
• 1 bay leaf
• 1 teaspoon salt
• 1 potato, peeled and cubed
• 2 tablespoons chopped fresh parsley