Chocolate Grand Marnier Torte

Ingredients

• 1 cup whipping cream
• 6 eggs
• 1/8 teaspoon salt
• 1/4 teaspoon cream of tartar
• 1/2 cup sugar
• 6 egg yolks
• 1 tablespoon lemon juice
• 3/4 cup sugar
• 4 tablespoons soft butter, at room temperature
• 1/2 cup powdered sugar
• 1/2 teaspoon vanilla extract
• 4 ounces bittersweet chocolate
• 1/4 cup sugar
• 1/4 cup water
• 3 tablespoons rum
• 1/2 cup chopped almonds or hazelnuts