Final answer:
The key ingredients in truffle fries commonly include Truffle Oil, Garlic, Herbs, Maltodextrin, Maize, Spices, Natural Color, and Natural Flavor. The allergens in the product include Egg and Mustard, and it may also contain traces of tree nuts, gluten, milk, soya, celery, and sulphites.
Step-by-step explanation:
The student's question pertains to key ingredients and allergens found in a food product, specifically truffle fries. The key ingredients are likely to include Truffle Oil, Garlic, Herbs, Maltodextrin, Maize (corn), various Spices, Natural Color, and Natural Flavor.
It's also mentioned that the product has allergens, such as Egg and Mustard, and it is manufactured in a facility that uses tree nuts and may include gluten, milk, soya, celery, sulphites, and their derivatives. Ingredient declarations often include details regarding potential allergens to help consumers avoid allergic reactions.