Notes: Matzoh cake meal is available in supermarkets during the Passover season. If you're not making this dessert for Passover, 3/4 cup all-purpose flour can be substituted for matzoh cake meal, and an equal amount of cornstarch for potato starch. You can make the dessert up to 4 hours ahead; let stand at room temperature, then reheat in a 325° oven for 15 minutes before serving.
7 ounces almond paste (about 1 cup), crumbled
1 cup plus 1 tablespoon sugar
2 large egg whites
1/2 cup matzoh cake meal (see notes)
1/4 teaspoon salt
3 pounds tart apples such as Granny Smith, peeled, cored, and sliced
1 pound strawberries, rinsed, hulled, and sliced
2 tablespoons lemon juice
1 1/2 tablespoons potato starch (see notes)
How to Make It
In the bowl of a food processor or a standing mixer, whirl or beat almond paste and 1 cup sugar until well blended. Whirl or beat in egg whites, matzoh cake meal, and salt until well incorporated (mixture will resemble very wet cookie dough).
In a large bowl, mix apples, strawberries, lemon juice, potato starch, and remaining 1 tablespoon sugar. Spread fruit mixture level in a shallow 2 1/2- to 3-quart baking dish. Pat al-mond paste mixture evenly over fruit.
Bake in a 350° oven until topping is browned and fruit bubbles, 40 to 45 minutes. Let stand at least 10 minutes.