How to Make a Cortado: Espresso Cut With Warm Milk

What you need

• Espresso machine with a steam wand
• Burr grinder
• Portafilter and basket
• Tamper
• Digital scale (0.1 g)
• Milk pitcher
• 4 to 4.5 oz glass or tumbler
• Timer

Method

1. 0:00

   Grind 18 g of coffee fine and dose it into a clean, dry basket, then level the bed so the surface is even.

   Weigh the dose on a scale rather than trusting the grinder timer.

   Expert tipAn uneven bed lets water channel through the puck and extract unevenly.

2. 0:30

   Tamp straight down with firm, level pressure to compress the puck.

   Keep the tamper flat; a tilted tamp makes one side run faster than the other.

   Expert tipAim for a straight line from the tamper up through your forearm and elbow.

3. 0:45

   Lock in the portafilter, start the shot, and pull a 36 g yield from the 18 g dose in about 25-35 seconds.

   That is a 1:2 ratio, and the espresso should fill roughly half of the small glass.

   Expert tipA 20-second shot tastes sour and underdeveloped; a 40-second-plus shot turns bitter. Adjust grind to land in the window.

4. 1:30

   Purge the steam wand, then steam cold milk with the tip just below the surface, adding only a brief whisper of air so you build a thin layer of foam rather than a thick one.

   A cortado wants as little foam as possible, just a small band on top, so listen for only a couple of soft paper-tearing sounds.

   Expert tipSubmerge the tip quickly after that first hint of air so you roll the milk smooth instead of building volume.

5. 1:55

   Roll the milk to fold the slight foam through it, heating to only about 55-60 C so it is warm to the touch, not hot.

   The cup or glass has no handle, so the finished drink should be comfortable to hold right away.

   Expert tipStop short of the temperature you would use for a latte; a cortado is meant to be drunk warm and fairly quickly.

6. 2:15

   Wipe and purge the wand, then tap and swirl the pitcher to integrate the milk into a smooth, glossy texture.

   Swirling breaks up any large bubbles so the milk pours evenly.

   Expert tipPolish right before pouring; textured milk separates if it sits.

7. 2:30

   Pour the warm milk straight into the espresso to fill the glass, finishing with just a small band of foam at the top.

   Because the volumes are about equal, the milk should reach the rim as the glass fills.

   Expert tipDrop the pitcher spout close to the surface at the end if you want a simple poured pattern in the small space.

Why this works

The 1:2 espresso ratio concentrates sweetness and body while keeping bitterness in check, and the roughly one-to-one volume of milk cuts that intensity without burying the coffee the way a larger latte does. Keeping foam to a minimum means the drink stays liquid and espresso-forward rather than fluffy. Steaming the milk only to about 55-60 C preserves its natural sweetness and keeps the small drink warm but immediately drinkable.

Where beginners go wrong

1. 1

   Shot runs too fast and tastes sour

   The grind is too coarse. Grind finer so the 36 g yield takes 25-35 seconds, and confirm an even, level tamp.

2. 2

   Shot runs too slow and tastes bitter

   The grind is too fine or the dose too high. Coarsen the grind slightly so the shot does not stall past 40 seconds.

3. 3

   Too much foam, so it drinks like a small cappuccino

   You aerated too long. Add only a brief whisper of air at the surface, then submerge the tip to roll the milk smooth and keep the foam to a thin band.

4. 4

   Drink is too hot to hold or tastes flat

   The milk was overheated. Stop steaming around 55-60 C, when the pitcher is just warm to the touch, to keep the milk sweet and the glass holdable.

What you should taste

A good cortado tastes like a softened, sweeter espresso: the coffee flavor stays clearly present but its bitterness and brightness are gently rounded by the warm milk, with a thin, creamy cap rather than airy foam. If it tastes sharp, sour, or thin, the shot likely ran too fast and underextracted; if it tastes harshly bitter or dry, it ran too slow and overextracted. Milk that tastes scalded or papery was steamed too hot.

FAQ