Crustless Apple Pie

Name: Crustless Apple Pie
Ingredients: 35 grams rolled oats (1/3 cup); 35 grams all purpose flour (1/4 cup); 30 grams fine raw sugar (2 tablespoons) or brown sugar; 1 gram salt (1/4 teaspoon); 43 grams unsalted butter (3 tablespoons), cut into small pieces; 1 teaspoon of ice water + more if needed; 100 grams fresh ripe dates; 1 teaspoon tapioca starch (sometimes called tapioca flour); 1/4 teaspoon ground nutmeg; 1/2 teaspoon ground cinnamon; 28 grams unsalted butter (2 tablespoons) melted; 2 very large apples (about 420 grams each)