Meat Lasagna : OVEN : 1 Preheat oven to 375F (190C) 2 Remove tray from cardboard sleeve. Remove lid of frozen lasagna, put tray on a baking sheet, place it on middle oven rack and for 45-60 minutes. 3 Remove tray from oven and let stand for 10-15 minutes before serving. MICROWAVE : 1 Remove tray from cardboard sleeve. Remove lid of frozen lasagna. 2 Cook on medium-high for 15-20 minutes. 3 Let stand for 10-15 minutes before serving. Chocolate Fondant: Thaw for 2 to 3 hours in the fridge and serve. - IN A TRADITIONAL OVEN: Preheat oven to 180°C/350 °F. Remove packaging. Place the fondant, still frozen, on middle oven rack and heat for 20 to 30 minutes based on the desired texture and consistency. Let stand for 15 minutes in its mould before serving. - IN A MICROWAVE OVEN: Remove packaging. Reheat, in its mould, in the microwave oven, during 2 minutes. Let stand for 15 minutes in its mould before serving.