1970s recipe from old Lipton advertising
1 envelope Lipton Onion Soup Mix
2 cups dry white wine
1 pound Swiss cheese shredded
French bread, cut into bite-size pieces
2 tbsp. cornstarch
2 tbsp. kirsch
In medium saucepan, combine Lipton Onion Soup Mix and wine; heat slowly.
Combine cheese and cornstarch. When wine begins to simmer, add cheese gradually, stirring until completely melted after each addition. Stir in kirsch.
To serve: Remove to fondue pot or chafing dish. Spear bread cubes; then dip and stir into the fondue.
Variation: Substitute 2 1/4 cups apple juice for wine and kirsch.
There isn't a middle-aged woman alive who didn't get one of these for Christmas as a child. I loved mine.
Recipe via Shelf Life Taste Test