If desired, place martini glasses in the freezer for 5-10 minutes before serving.
Measure the necessary amounts of each liquid.
If desired, thinly slice an apple for garnishes.
To a cocktail shaker, add a handful of ice cubes.
Then add gin, apple cider, vermouth, pear juice, and a small pinch of cinnamon.
Close the lid tightly and shake very hard for at least 30 seconds.
Strain the drink into chilled martini glasses.
Garnish with 2 thin apple slices (optional).
Serve immediately and enjoy!