Ingredient:

• 2 to 3 large sweet potatoes (1-3/4 pounds), peeled and cut into 1/8-inch slices
• 2 tablespoons canola oil
• 1 teaspoon chili powder
• 1/2 teaspoon garlic powder
• 1/2 teaspoon taco seasoning
• 1/4 teaspoon salt
• 1/4 teaspoon ground cumin
• 1/4 teaspoon pepper
• 1/8 teaspoon cayenne pepper
• 3/4 cup mayonnaise
• 1/2 cup sour cream
• 2 ounces cream cheese, softened
• 4-1/2 teaspoons minced fresh cilantro
• 1-1/2 teaspoons lemon juice
• 1/2 teaspoon celery salt
• 1/8 teaspoon pepper