Combine the lemon and 4 cups water in a large bowl. place the sliced apples in the water to keep them from browning.
2
melt butter in a large skillet over medium heat. drain water from apples, and place them into the hot skillet. cook and stir for about 2 minutes. add brown sugar, and cinnamon. continue to cook for additional 2 minutes while stirring. stir together cornstarch and 1 tbsp water. pour into the skillet and mill well. cook for another minute, or until sauce has thickened. remove from heat to cool slighty.
3
preheat the oven to 400 degrees F
4
unfold puff pastry sheets,and repair any cracks by pressing them together.trim each sheet into a square. then cut each larger square into 4 smaller squares.spoon apples onto the center of each squares. fold over from corner, to cornerinto a triangle shape. then press edges together to seal
5
Bake for 25 minutes in the preheated oven, until turnovers are puffed and lightly brown. cool completly before glazing.
6
To make glaze, mix together the confectioners sugar, milk, and vanilla in a small bowl. adjust the thickness by adding more sugar or milk if neccesary. drizzle glaze over cooled turnovers.
