Here's how to make a gorgeous raspberry mousse cake, perfect for Mother's Day. Heat frozen raspberries and granulated sugar over medium heat, add gelatin, strain, and then cool in ice water. Mix with whipped cream, then use a piping bag to pour half of the mixture into an egg-shaped silicone mold. Place the previously prepared raspberry center mousse inside. Pour in the remaining mixture and freeze for 5 hours until firm. Shave ruby ​​chocolate thinly to create carnation decorations. Coat the chilled mousse with ruby ​​chocolate, then place it on a cookie and decorate to finish. The sweet and sour raspberry flavor and the beautiful carnation decorations make this dessert perfect for expressing your gratitude to your mother.