Add almond milk, whey protein, and dutch cocoa to a large protein shaker and shake until well mixed.
Add coffee and peppermint extract to a medium pot. Heat over medium heat. Slowly add protein mixture to coffee while stirring. Cover and continue to heat until hot, but do not allow it to boil.
Pour lattes into two 16-oz serving glasses. Using a milk frother, froth lattes so that whipped cream will rest on top. Top with whipped cream and crushed candy canes if desired.
I used this milk frother.