Tip all of the peas into a large bowl with three-quarters of the spring onions and all of the flour. Mix together. Stir in the eggs and then the milk. Mix to a smooth batter. Add the lemon zest ...

or until there is little to no moisture left in the pan but the peas are still bright green. Transfer the pan contents to a bowl and set aside. For the pastry, put the flour into a mixing bowl and ...