To prepare a gingerbread mousse with red wine glazed baby pear recipe, first you need to prepare the ingredients. First, you'll need the following ingredients: 1 cup of softened butter, 2 tablespoons of sugar, 1 teaspoon of cinnamon, and 1 tablespoon of nutmeg. Melt the butter over medium heat, stirring constantly, until it's melted. Add the sugar and cinnamon and stir until they're evenly combined. Gradually add the egg yolks, mixing well after each addition. Pour the mixture into the cooled butter and sugar mixture and mix well. Then stir in the vanilla.