Combine soymilk, cloves and cinnamon sticks in small saucepan.
Cover and bring to a boil over medium-high heat, stirring occasionally. Remove pan from heat. Let stand, covered, 15 minutes.
Strain hot chocolate into 2 individual serving mugs. Place a cinnamon stick in each mug; discard cloves.
Sprinkle with marshmallows, if desired.