Preheat oven to 350F, Spray a 10" pie plate or quiche pan.
Peel, halve and core the pears, place pear halves cut side down and cut into1/2" slices across the pear, Keep the pear halves intact. Brush the surface of the pears with lemon juice and the melted butter, set aside. In a bowl stir together the flour& baking powder, set aside.
In a large mixing bowl beat the egg whites until soft peaks form.
Gradually add apple juice concentrate& vanilla, beat until stiff peaks form Fold in the flour mixture& almonds.
Gently stir in the skim milk.
Turn the batter into the prepared pie plate.
Gently lift each pear half and press gently to fan the slices slightly.
Place the pear halves, stem end to the center of the batter, place other halves around as spokes of a wheel leaving some space between the pears (only as much room as the plate will allow). Bake for 25- 35 minutes or until golden.