Béchamel Sauce

• 3 tablespoons butter
• ½ onion, finely chopped
• 3 tablespoons

In a thick-bottomed saucepan, or in the top of a double saucepan, melt butter and cook onion over a low heat until it is transparent. Stir in flour and, stirring constantly, cook for a few minutes or until mixture cooks through but does not take on colour.

Add hot milk and cook, stirring constantly, until the mixture is thick and smooth.

In another saucepan, simmer finely-choppe