Gather all ingredients
Preheat oven to 350
Mix dry ingredients together in a bowl (flour, salt, spices, baking powder, baking soda)
Cream together butter and brown sugar until light and fluffy
Add eggs, one at a time mixing well between each addition
Add 1 Tablespoon of vanilla extract
Add half of the dry ingredients into the creamed mixture
Add half of the buttermilk
Add the second half of the dry ingredients
Mix in the last of the buttermilk
Take out 1/3 Cup scoop of this cookie dough mixture and add it into a bowl with your crumble ingredients (1/3 Cup each of brown sugar, flour, and oats)
Mix the crumble ingredients until it resembles a nice crumbly consistency and set aside.
Add the crushed or chopped apple pieces to your cookie dough mixture and mix by hand to incorporate. Do not over mix the batter.
Use a cookie scoop to scoop your cookie dough onto cookie sheets leaving 2 inches between each cookie for spread.
Add a good amount of crumble mixture to the top of each cookie (about a heaping Tablespoon)
Place in the preheated oven at 350 for 13-15 minutes or until golden brown
As the cookies cool, mix together the powdered sugar and maple syrup and heavy cream to make glaze. You want a medium thickness.
Once cookies are cooled, you will drizzle the glaze over them.
Enjoy!