3 sparkling cake champagne Recipes

white cake mix, champagne or other sparkling white wine at room temperature, vegetable oil, eggs, butter, softened, sugar, champagne or other sparkling white wine at room temperature, vanilla extract

white chocolate, divided, whipping cream, unsalted butter, cut up, light corn syrup, unsalted butter, eggs, sugar, salt, vanilla, all-purpose flour, sweet champagne or 2 1/2 cups sparkling wine, divided, sugar, frozen raspberries, seedless raspberry jam, divided