Bottle

Toddy Go Portable Cold Brew System: ratio and recipe

42g coffee400mL water

That is an everyday batch at 1:9.5, steeped 18–22 hours in the fridge and poured straight over ice. Holds 400 mL of water and takes up to 120 g of coffee.

Toddy Go Portable Cold Brew System, full of cold brew

What the maker says

Official Toddy Go Brewer instructions describe two methods, both producing ~25 oz (0.75L) of ready-to-drink cold brew/tea: (1) Pitcher packs - place a pre-portioned pitcher pack in the brewer, add cool filtered water to the internal 'brew line,' replace the midsection and cap, brew 8-24 hours at room temperature, remove and drain the pack, then add ice/flavorings and top up with water or dairy to the 'final dilution line.' (2) 'Go your own way' - measure coarse ground coffee to the lower fill line for light/medium roast or the line above it for dark roast, pour into a filter bag, secure with string or a Toddy Cinch, place in the brewer, add water to the brew line, brew 8-24 hours, then dilute to the final line the same way. Note: brewer heats up in direct sun; refrigerate after brewing and consume within a few days. No numeric oz/gram values are printed on the fill lines themselves.

Source: toddycafe.com

The recipe, by strength

Each one fills this brewer as far as it honestly goes. Numbers are for a light roast steeping in the fridge.

StrengthRatioCoffeeWaterSteepMakesDrink it
Everyday1:9.542 g400 mL18–22 habout 1¼ cupsstraight over ice
Strong1:7.553 g400 mL18–22 habout 1¼ cupswith a splash of milk
Jet fuel1:5.375 g400 mL18–22 habout 1½ cupscut with a little water or milk
Concentrate1:4.589 g400 mL18–22 habout 2 cupsmixed 1:1 with water or milk

If your beans are darker

Darker roasts give up their flavor faster, so they brew at a slightly wider ratio and steep for less time.

RoastRatioCoffeeWaterSteep in the fridge
Light1:9.542 g400 mL18–22 h
Medium1:1040 g400 mL14–18 h
Dark1:10.538 g400 mL10–14 h

Everyday strength shown.

How it goes

  1. Plug in, grounds in.
  2. Water over, slowly.
  3. Don’t stir.
  4. Lid on, into the fridge.

Grind coarse, about the size of coarse sea salt. Find the number for your grinder.

Good to know

Bakes a two-stage brew-then-dilute process into the vessel itself: you steep coarse grounds (or a pitcher pack) to an internal 'brew line,' then top up to a separate 'final dilution line' afterward to reach the roughly 25oz ready-to-drink volume - so the concentrate ratio and the dilution step are both fixed by the brewer's markings rather than left to the user. The coffee fill line also shifts higher for dark roast vs. light/medium roast at the same water line. Uses a felt/paper-style filter bag (string-tied) rather than a rigid mesh basket, more like a portable Toddy pouch than a metal cone.

Let the app keep track.

Cold Brew Studio sizes every batch to your Toddy Go Portable Cold Brew System, tells you when it is ready, and adjusts the recipe when you rate how it tasted.

Free on iPhone and the web. No account needed.

Quick answers

How much coffee do I use in the Toddy Go Portable Cold Brew System?
For an everyday strength, 42 g of coffee to 400 mL of water, a 1:9.5 ratio. For a concentrate, 89 g to 400 mL.
How long do I steep cold brew in the Toddy Go Portable Cold Brew System?
18–22 hours in the fridge for a light roast, 14–18 for medium and 10–14 for dark. On the counter, 12–14, 9–12 and 7–9 hours.