Strawberry Tiramisu

Name: Strawberry Tiramisu
Ingredients: 2 tablespoons orange liqueur (such as Cointreau); 2 teaspoons balsamic vinegar; 1/8 teaspoon kosher salt; 1 1/2 pounds fresh strawberries, hulled and sliced (4 cups), divided; 1/2 cup plus 3 tablespoons granulated sugar, divided; 1/4 cup strawberry jam; 4 large egg yolks; 1 1/4 cups heaving whipping cream; 1 (8-ounce) container mascarpone cheese; 1 teaspoon grated orange zest (from 1 small orange); 1 (7-ounce) package ladyfingers (about 24 ladyfingers)