Apple Pie Cookies

Name: Apple Pie Cookies
Prep time: 15 min
Cook time: 22 min
Total time: 37 min
Cuisine: American
Ingredients: 1 to 2 standard 9-inch pie crusts; 2 apples - I use Granny Smith; 1/2 cup of brown sugar (100g); 3 Tbsp of butter (salted or unsalted (42g)); 1/4 tsp of salt (1g); 1 tsp of lemon juice or apple cider vinegar (5g); 1/4 tsp of nutmeg (1g); 1/2 tsp of cinnamon (1g); 1 Tbsp of cornstarch (14g); 1 egg - for the egg wash