Strawberry Mousse Cake

INGREDIENTS

• 1 1/4 cups butter, softened
• 2 1/4 cups granulated sugar
• 7 egg whites, at room temperature
• 3 1/2 cups cake flour
• 4 teaspoons baking powder
• 2 teaspoons vanilla extract
• 1/2 teaspoon almond extract
• 1 envelope unflavored gelatin
• 2 cups sliced fresh strawberries
• 1/4 cup granulated sugar
• 1 cup whipping cream
• 3/4 cup butter, softened
• 5 cups powdered sugar, sifted
• 3/4 cup finely chopped fresh strawberries
• Halved fresh strawberries, edible flowers