Caramel Apple Snickerdoodles - Chewy & Soft with Drizzle

Ingredients

• 12 tbsp (170g) unsalted butter.
• 1/3 cup (67g) granulated sugar.
• 2/3 cup (133g) packed dark brown sugar.
• 1 whole egg.
• 1 egg yolk only.
• 1 1/2 tsp pure vanilla.
• 2 1/4 cups (290g) all-purpose flour.
• 1 1/4 tsp cream of tartar.
• 3/4 tsp baking soda.
• 1/4 tsp baking powder.
• 3/4 tsp table salt.
• 1/3 cup (67g) sugar for rolling.
• 2 tsp ground cinnamon for rolling.
• 4 medium apples (Granny Smith or Honeycrisp work best).
• 1 1/2 tsp fresh lemon juice.
• 2 tbsp light brown sugar.
• 1 1/2 tsp ground cinnamon.
• 1 tbsp all-purpose flour.
• 1 cup (200g) dark brown sugar for sauce.
• 6 tbsp (85g) butter for sauce.
• 1/4 cup (60g) heavy cream.
• 1/2 tsp salt for sauce.