Preheat oven to 375 degrees.
Butter a 9 by 13 inch baking dish. Peel large tart apples.
Core and slice. Layer slices in bottom of dish.
In a bowl, combine apple juice, maple syrup, ground cinnamon,
ground cloves, grated nutmeg, dark brown sugar, and lemon rind.
Pour the mixture over apples. Dot the surface with butter.
In a mixing bowl, combine flour, sugar, baking powder, salt, cinnamon.
Add cold butter and process to a coarse meal.
Stir in milk. Drop dough onto apple filling.
Brush with a beaten egg.
Bake 40 to 45 minutes or until soft in the center.