Take brunch to a new level with homemade potato waffles. To make enough for two, combine around 10oz (300g) leftover mashed potatoes with 4fl oz (120ml) milk, then add 3.5oz (100g) plain flour, ½ tsp bicarbonate of soda, ½ tsp fine salt, 1 tsp caster sugar and two finely sliced spring onions. Brush your hot waffle maker with melted butter, then add half the waffle batter, spreading it out equally. Cook for five minutes, until golden. Carefully remove and keep warm, while you cook the remaining batter. Serve your waffles topped with cherry tomatoes, fresh herbs and feta cheese, opt for crispy bacon and poached eggs, or try smoked salmon, crème fraiche and avocado.