Chestnut Praline Latte

Name: Chestnut Praline Latte
Prep time: 10 min
Cook time: 50 min
Total time: 1 h
Cuisine: American
Ingredients: 1 cup chestnuts; ¼ cup chopped pecans; 1 cup brown sugar (plus 1 teaspoon); 1 pinch nutmeg; 1 pinch cinnamon; 1 cup water; ⅓ cup espresso (freshly-brewed); 2 ounces whole milk (or your milk of choice); ½ ounce chestnut praline syrup; pinch nutmeg (for garnish)