Brew Espresso Like a Pro — Hawk Coffee Roasters
Brewing Guide

Brew Espresso Like a Pro

A few smart tweaks can turn a bitter, confused shot into something rich, sweet, and worth repeating every morning.

01
Gear Up & Grind Right

Fresh beans and a consistent grind are the foundation everything else builds on.

  • Fresh beans. Aim for 1–4 weeks post-roast. Very fresh beans need a week or two to off-gas before they pull well.
  • Burr grinder. More even particle size means more even extraction. Blade grinders produce a wide, inconsistent mix.
  • Dose by basket. Use what the basket is rated for — 18g dose for an 18g basket, for example.
  • Start coarser. A coarser grind reduces clumping and channeling. The grounds should feel like fine sand — not powder — when pinched.
Pro Tip A "dimples" shower screen (an easy upgrade on most machines) spreads water more evenly across the puck, reducing hot spots and improving consistency.
02
Prep Your Puck

Even prep means even extraction — no sour spots, no bitter edges.

  • Don't grind directly into the portafilter. Grind into a separate container first, then distribute evenly before transferring.
  • Tamp firm and level. A flat tamp is essential. It's easy to have a tilt in your tamp, and it creates areas of less resistance and water will flow through the shallower side causing overextraction.
  • Try an espresso paper filter. Place one below and/or above the grounds. It evens flow, boosts extraction by ~3%, and cuts bitterness — especially useful with high-quality, lighter-roasted coffee.
03
Pull the Shot

A scale is your most important tool here. Eyeballing even a gram or two off will shift your flavor.

Starting Ratio 1 : 2 18g in → 36g out
Time 25–30s at 1:2 ratio baseline
Pressure 9 bar Standard, but lower is fine
Temp 194°F lower for dark roasts
A note on time Shot time by itself is not a reliable quality indicator — it's mainly useful for consistency once you've already dialed in a shot you like. Don't chase a time target; chase a taste.
04
Dial It In — Fix Common Problems

Espresso flavors arrive in order: sour first, sweet next, bitter last. Use that to diagnose what went wrong.

Sour / Acidic
Under-extracted
Grind finer or pull a longer yield. Also check for uneven puck prep. Channeling causes under-extraction in spots.
Bitter / Harsh
Over-extracted or channeled
Grind coarser or shorten the shot. Inspect your distribution — no clumps, no visible channels in a naked portafilter.
Weak / Thin
Ratio too high
Lower your output ratio for more concentration and body (e.g., from 1:2.5 down to 1:2).
Pre-infusion Adding a 6–10 second low-pressure pre-infusion wets the puck gently before full pressure engages. It reduces channeling and evens out extraction — worth trying if your machine supports it.
+
Tailor to Your Roast

There's no single right answer — these are starting points, not rules.

Light Roast

Try lower pressure (6–8 bar) and a higher ratio (1:3) for floral clarity. Counterintuitively, "turbo shots" — 15–20 seconds at high flow — can pull deliciously sweet light roasts without bitterness.

Medium-Dark

Lower the temp slightly (185–190°F), decrease your ratio toward 1:1.5 for syrupy body, and grind a touch coarser. This tames bitterness while preserving richness.

Experiment

Paper filters, step-down baskets, and naked portafilters all change how water moves through the puck. Your perfect shot might break every rule here — and that's exactly the point.

Ready to pull your best shot yet?

Start with exceptional beans that are roasted to order. Espresso tastes better when the coffee is great.

Order Coffee Beans