and its proprietary Smacking sauce; the O.K.T.O. ($9), a double patty Oklahoma-style burger (a stack of thin-sliced onions on a patty, cooked together on a griddle) with horseradish sauce ...

You must make Mary Berry's burger recipe. The crunchy ... a squeeze of lemon juice, sugar and horseradish into a salad bowl, season with salt and pepper and stir to combine.

Sprinkle on the flour and stir in well, let the flour catch slightly, this helps to give the sauce a nice colour ... suet, parsley, horseradish and egg into a bowl. Mix well and add enough ...