Spinach Dip

1 Pkt frozen spinach

1 onion, chopped

1 tub sour cream

1 pkt spring onion soup mix

1 cup mayonnaise

Mix spinach and onion together over heat until warm. Mix soup, sour cream and mayonnaise together. Add semi-warm spinach mixture to soup mix. Mix together and refrigerate overnight. Serve cold (nice in cob bread case).