Heat the waffle maker following manufacturer’s instructions. Whisk 1 egg white to stiff peaks. In a separate bowl, combine the flour, bicarb and 1 /2 tsp salt. Add the egg yolk, melted butter and milk, and whisk to a smooth, thick batter. Stir in the cheese, then carefully fold in the egg white.
Heat oven to 180C/160C fan/ gas 4. Use a ladle to pour the batter into the waffle maker and cook for 5 mins. Put the waffles on a baking tray in the oven for 5 mins to keep warm.
Meanwhile, poach the remaining eggs on a low heat for 3 mins for runny yolks.
Heat the hollandaise sauce following pack instructions and stir through the Marmite. Top the waffles with two poached eggs, the hollandaise and chives.