Marrow and Cheddar Soufflé Recipe - Great British Chefs

Ingredients

• 2 marrows, weighing approx. 900g (preferably choose squat marrows that will have a better depth than long, thin ones)
• 1 onion, sliced
• 1 sprig of thyme, leaves picked
• 50g of butter
• 50g of flour
• 280ml of milk
• 130g of cheddar, grated
• 3 eggs, separated
• salt
• pepper