Strawberry Lemon Shortcake

INGREDIENTS

• 1 lb (4 cups or 450 g) strawberries
• 2 tablespoons granulated white sugar
• 1 teaspoon balsamic vinegar
• 1/2 vanilla bean or 2 teaspoon vanilla extract
• 1 cup chilled heavy whipping cream
• 1 tablespoon granulated white sugar
• 1/2 cup whole milk
• 1 tablespoon fresh squeezed lemon juice
• 1 1/4 cup (175 g) all purpose flour
• 1/4 cup (45 g) yellow cornmeal
• 3 tablespoon (40 g) white granulated sugar
• 1 1/2 teaspoon baking powder
• 1 teaspoon baking soda
• 1/4 teaspoon sea salt
• zest of half a medium lemon
• 1/4 cup (57 g or 1/2 stick) cold unsalted butter
• 1 large egg yolk
• zest of 1/2 medium lemon
• 1 large egg white