1. Prepare the Glasses: Place your martini glasses in the freezer to chill.
2. Mix the Ingredients: Fill a cocktail shaker with ice. Add vodka, apple schnapps, elderflower liqueur, apple juice, lime juice, and thyme simple syrup.
3. Shake: Secure the lid on the shaker and shake vigorously for about 10 seconds.
4. Serve: Strain the mixture into the chilled martini glasses.
5. Garnish: Decorate each drink with thin slices of apple and a sprig of fresh thyme.

Thyme Simple Syrup

1. Combine Ingredients: In a saucepan, mix together sugar, water, and fresh thyme.
2. Cook: Bring the mixture to a boil over medium heat, then reduce the heat and simmer until the sugar is fully dissolved, about 5 minutes.
3. Cool and Store: Remove the pan from heat and allow the syrup to cool. Store any extra syrup in an airtight container in the refrigerator for future use.