Bring wine and lemon juice to a boil in a saucepan over medium-high heat. Boil 6 to 8 minutes or until mixture is reduced by half. Whisk in whipping cream. Cook 3 to 4 minutes, whisking constantly, until thickened.
Reduce heat to simmer, and whisk in soy sauce and butter until butter is melted.
* White grape juice may be substituted for wine.