What is the difference between Earl Grey and a London Fog?

Earl Grey is a black tea scented with bergamot, served on its own. A London Fog is a drink built from that tea, adding steamed milk and a little vanilla syrup, so it tastes rounder and sweeter, much like a tea latte.

Does a London Fog have more caffeine than plain Earl Grey?

No. The caffeine comes from the black tea, and milk and vanilla do not add or remove any. A London Fog and a plain Earl Grey made from the same tea carry roughly the same caffeine, very generally about half that of a similar cup of coffee.

Do I need special tea to make a London Fog?

Any good Earl Grey works, but brew it stronger than usual since the milk mutes it. A clean whole-leaf base is worth using because fine, dusty tea can turn harsh under milk.

Can I make a London Fog without a milk frother?

Yes. Warm your milk in a pan or microwave and whisk briskly, or shake it in a sealed jar and pour it over a strong Earl Grey concentrate. The froth is optional; the strong tea underneath is not.

September 6, 2026

Earl Grey vs London Fog

Order an Earl Grey and you get a pot of scented black tea. Order a London Fog and you get that same tea, then watch it disappear — happily — under steamed milk and a whisper of vanilla. They share a parent and almost nothing else, which is exactly why they trip people up at the counter.

Earl Grey is a tea, not a recipe

Earl Grey is black tea scented with bergamot, the fragrant Calabrian citrus that smells like a lemon sent to finishing school. That is the entire definition. Everything else — the base leaf, the grade of the oil, whether anyone bothered with bitter orange or neroli — is where one Earl Grey quietly pulls away from another.

Our Black Gold Earl Grey begins with the top one percent of low-grown whole-leaf Ceylon and layers in organic cold-pressed Italian bergamot, bitter orange, and neroli. Brewed neat, it is bright, floral, and faintly bitter in the way good citrus should be. You drink it to taste the tea, not to bury it.

How Iran tends to take it

In Iran, Earl Grey is usually poured strong from the ghoori, the little pot that sits atop the samavar, and taken clear so its colour can be judged by eye. A cube of ghand rests on the tongue rather than dissolving into the cup. Milk almost never appears. The point is the tea itself — its perfume, its por-rang depth of colour, the warmth of the glass against your palm.

A London Fog is what the steam adds

A London Fog is a cafe drink: a strong Earl Grey, steamed or frothed milk, and a little vanilla syrup. Some people add lavender. The bergamot survives, but it is now riding on warm dairy and sugar — rounded, softened, dessert-like. It is comfort rather than clarity, and there is no shame in wanting comfort on a grey afternoon.

The name is modern and the method is loose. Think of it as an Earl Grey latte and you will never order wrong. What matters is that the tea underneath is strong enough to be heard over the milk, which is where a lot of café versions quietly fail.

When to choose each

Neat Earl Grey when you want the tea to be the event — mornings, deep work, or any hour you might otherwise reach for coffee.
A London Fog when you want something cosy and sweet, or when you are coaxing a devoted coffee drinker toward the leaf. The milk is forgiving.
Either one knowing the caffeine is much the same. Milk and vanilla change the mood, not the buzz.

Build a better London Fog

The trick is to brew the tea stronger than feels reasonable, because the milk will mute it.

Steep a generous measure of whole-leaf Earl Grey in a small amount of near-boiling water for four to five minutes. You are making a concentrate, not a cup.
Heat or steam your milk — dairy and oat both behave well — until hot and just foamy.
Sweeten lightly with vanilla, whether a spoon of syrup or a drop of extract with a little sugar.
Pour the milk over the concentrate, then spoon the foam on top.

Because a fine, dusty tea turns harsh under all that milk, a clean whole-leaf base earns its keep here. It gives you a fog with something solid underneath, rather than a sweet cloud hiding a bitter one.

An Earl Grey asks you to pay attention. A London Fog lets you stop. Both are perfectly honourable moods to be in.

A quick word on caffeine

Neither drink is decaffeinated by accident. A black tea carries moderate caffeine — very roughly half of what a similar mug of coffee delivers — and the bergamot, milk, and vanilla do nothing to lower it. If you love a London Fog after dinner, brew it with a shorter steep and a little less leaf, or save the full-strength version for the morning. Whole-leaf tea, steeped gently, tends to release its caffeine more slowly than fine broken grades, which buys you a softer, later cup. So the real difference is not Earl Grey versus London Fog at all. It is naked tea versus dressed tea — one leaf, asked to do two very different jobs.