Plum Tart with Marzipan Crumble

Name: Plum Tart with Marzipan Crumble
Ingredients: 1 cup all purpose flour; 3/4 cup sliced almonds; 1/4 cup sugar; 1/3 teaspoon salt; 1/2 cup (1 stick) chilled unsalted butter, cut into 1/2-inch cubes; 2 tablespoons chilled whipping cream; 1 large egg yolk; 3/4 cup all purpose flour; 1/2 cup (packed) almond paste (about 5 ounces); 1/2 cup (packed) golden brown sugar; 6 tablespoons (3/4 stick) chilled unsalted butter, cut into 1/2-inch cubes; 1/4 cup sliced almonds; 2 1/4 pounds plums (about 12), halved, pitted, thinly sliced; 1/2 cup sugar; 2 tablespoons plus 2 teaspoons cornstarch