Damn exactly at the title length limit.

Hot chocolate is:

• 1-2 TB butter
• Some flour ;) (roughly 0.5 TB) Browned and cooked together
• 0.75-1.25 cups Milk Stirred in quickly
• 2-4 TB Cocoa Powder
• Pinch salt (or more for salted chocolate)
• Sugar to taste And optionally (good w/o if you don't have)
• splash of vanilla
• some chocolate chips
• brandy? vodka? whiskey?