Created by ImPat on July 8, 2016
Step 1: Preheat oven to 180C.
Step 2: Cream the butter and the sugar until light and fluffy and then add the lemon zest/rind (if using) and beat for a minute longer.
Step 3: Separate the eggs and keep the white to one side.
Step 4: Add the flour, lemon juice and gradually add the milk, the mixture is quite thin.
Step 5: Beat the egg whites until they just hold their shape and gently fold these into the mixture.
Step 6: Pour this mixture into a deepish, buttered, oven-proof dish into which it just fits.
Step 7: Place the dish in a the oven and bake until the top is golden brown and feels firm to the touch.
Step 8: Serve warm with thick cream.