Strawberry Mousse Cake

Ingredients

• 1 pound strawberries, hulled and halved, plus 2 cups sliced strawberries
• 2 tablespoons fresh lemon juice
• 8 ounces white chocolate, finely chopped
• 1 1/4 teaspoons unflavored gelatin
• 2 cups heavy cream
• 2 tablespoons confectioners' sugar
• vegetable oil, cooking spray
• 1 cup sifted cake flour, plus more for baking sheet
• 5 large eggs, plus 2 egg yolks
• 3/4 cup sugar
• pinch of salt
• 1 tablespoon finely grated lemon zest
• 6 tablespoons unsalted butter, melted
• 2/3 cup heavy cream
• 12 ounces white chocolate, finely chopped
• 8 ounces white chocolate, finely chopped
• 2 tablespoons freshly squeezed lemon juice
• whole and halved strawberries, for garnish