Why is it called an egg cream if there is no egg or cream?
It is one of those food history mysteries with a few theories and no single proven origin. What matters for your glass is that the name stuck, and the drink is all about foam, not eggs.
Do I need seltzer, or can I use club soda?
Seltzer is ideal because it is just carbonated water, super clean tasting. Club soda works in a pinch, but the added minerals can slightly change the flavor. The difference is subtle, but seltzer is the classic move.
What milk is best?
Traditionally you will see whole milk, but I like 2% because it stays light while still foaming well. Skim foams a lot but can taste thin. Half-and-half can feel heavy and often foams a little less.
What chocolate syrup should I use for a true NYC egg cream?
If you want the classic deli counter vibe, use Fox’s U-Bet. It is the traditional New York pick for egg creams. That said, any good chocolate syrup you love will still make a very happy glass.
Can I make it dairy free?
Yes, with a small expectation reset. Use an unsweetened, creamy option like oat milk. It will taste great, but the foam can be a bit less stable than dairy depending on the brand.
How do I get that big soda fountain foam?
Three things: very cold milk, very fizzy seltzer, and a pour that does not knock all the bubbles out. Pour the seltzer down the side of the glass first to preserve carbonation, then finish with a slightly more direct pour to build the head.
Help, my foam is not happening. What went wrong?
Usually it is one of these: your seltzer is not freshly opened, your milk is not cold enough, you used a short glass, or you stirred too aggressively after adding seltzer. Use colder ingredients, a taller glass, and keep that final stir quick and gentle.
Is there a vanilla egg cream?
Absolutely. Swap chocolate syrup for 2 to 3 teaspoons vanilla syrup (or 1 teaspoon vanilla extract plus 1 to 2 teaspoons sugar, stirred into the milk). Then top with seltzer the same way.