Make the Coffee: In a small heat-proof jug or bowl, add instant coffee powder and pour over the boiling water. Stir until dissolved, then set aside.
Mix the Spices: In a separate bowl, combine molasses, maple syrup, vanilla, ginger, cinnamon, and nutmeg. Whisk until smooth and well combined.
Combine in Saucepan: Pour the milk into a medium saucepan, then add the molasses mixture and brewed coffee.
Heat Gently: Place the saucepan over medium heat. Warm for 3–4 minutes, whisking occasionally, until steam rises from the surface. Do not boil or simmer.
Create Foam: Whisk vigorously off the heat to create foam if desired.
Serve: Pour into mugs, top with whipped cream, a dusting of cinnamon, and optional gingerbread cookies. Enjoy warm and cozy!
Notes
Store: Allow the latte to cool completely, then transfer it to an airtight glass jar or sealed container. Store in the refrigerator for up to 2–3 days.Make Ahead: Prepare the latte as directed, let it cool, and store using the same method above until ready to serve.Reheat: Warm gently on the stovetop over low to medium heat, whisking to recombine any separated ingredients until heated through.