Strawberry Cake With Whipped Cream Frosting. Place the reserved frosting into a piping bag and decorate the cake as desired. Add vanilla and a few drops of food color if desired and strawberry extract if using.
Once the cakes are cool even with a serrated knife or cake leveler. Once the cake and guava jelly have cooled frost cake generously with whipped cream. In a small bowl whisk milk egg whites and vanilla.
Preheat oven to 350 degrees F.
Once soft peaks begin to form turn mixer off and add remains frosting ingredients. Cut butter in thin slices and along with oil add into saucepan. In a separate bowl preferably a chilled metal bowl combine remaining 1 cup 125g powdered sugar and cold heavy cream. Preheat oven to 350 degrees F.