4cupsoy milk950 mL, or whichever milk you like best
1cuppumpkin puree240 g
1/4cupcocoa powder30 g
1/4cupbrown sugar50 g
Combine all ingredients over medium heat in a large saucepan. Bring to a low simmer, whisking often, until everything is smooth and dissolved. Serve hot, optionally topped with whipped cream and gingerbread cookies.