In the oven : (recommended for better taste)  
• Preheat oven at 210°C
• Remove the product from all packaging including the aluminium mould
• Place the tart on a baking dish
• Heat for about 10 minutes
• Leave the tart to stand for 30 minutes before serving                                               

In the fridge :
• Straight from the freezer, remove all the packaging including the aluminium mould
• Place the tart on a serving dish
• Leave to defrost in the refrigerator at 4°C for about 6  hours