Fried Onion with Mustard
Heat the oil and butter in a large frying pan and fry the onions and 1 tbs Mustard Seeds for 1-2 minutes. Add the sugar, vinegar and Thyme. Fry gently, stirring occasionally, for 10-15 minutes.
Remove from the heat and add the salt, Pepper and lemon juice. Crush the remaining Mustard Seeds and stir in just before serving.