How to Cold Brew Yerba Mate? | Smooth, Less Bitter

Cold brew yerba mate trades the traditional gourd and hot water for a fridge and patience. The result is a smoother, naturally sweeter drink with less bitterness. The method is nearly foolproof: combine leaves and cold water, wait overnight, strain, and serve over ice. It takes about ten minutes of active work, and the fridge does the rest.

What Is Cold Brew Yerba Mate?

Cold brew yerba mate is simply yerba mate steeped in cold or room-temperature water for an extended period, usually overnight. The cold extraction pulls out flavors and caffeine more gently than hot water, which is why it tastes smoother and less harsh. It works with gear you already own—a jar, pitcher, French press, or cold-brew coffee maker—so no special equipment is needed.

Can You Use Any Type of Yerba Mate?

Yes. Loose-leaf yerba mate is the traditional choice and gives the most control over strength, but tea bags or pyramid bags work too. Bagged versions are simpler—steep, remove bags, and done—though the flavor is often slightly milder and less complex. The steeping time and ratio stay roughly the same for both.

What’s the Right Ratio and Steep Time?

The most consistently recommended starting point is 2–3 tablespoons of yerba mate per cup of cold water, with most recipes using 3 tablespoons for every 4 cups. That produces a balanced brew that’s easy to adjust.

Most recipes call for 8–12 hours in the refrigerator—essentially overnight. Steeping up to 24 hours yields a stronger brew, but past that point bitterness creeps back in. Start with 8 hours and taste; you can always steep longer next batch.

The Basic Cold Brew Method

Here’s the straightforward process that recipe sources consistently return to.

1. Combine: Add yerba mate to a jar, pitcher, or French press. For a standard batch, use 3 tablespoons per 4 cups of cold, filtered water.
2. Stir: Pour water over the leaves and stir gently so all the mate is saturated, helping extraction start evenly.
3. Steep: Cover and refrigerate for 8–12 hours, or overnight.
4. Strain: Pour through a fine-mesh strainer, tea filter, cheesecloth, or coffee filter into a clean container. A second strain through a coffee filter catches fine sediment that makes gritty brew.
5. Serve: Pour over ice and flavor with lemon, lime, honey, mint, or fruit juice. If you prefer the mate flavor front and center, start light on add-ins.

A French press works especially well: add mate and water, chill overnight, press the plunger down, and pour straight over ice. Cold-brew coffee jugs with built-in filters make straining nearly effortless.

There’s also a quicker route if short on time. OXO’s cold brew tips describe shaking yerba mate and cold water in a cocktail shaker for 20–30 seconds, then straining over ice. It’s less traditional and slightly more bitter, but works in a pinch.

The classic cold-brewed mate recipe at The Spruce Eats walks through the standard overnight approach with helpful detail on ratios and straining.

Once you’ve nailed your batch, the right vessel makes a difference. If you plan to carry cold brew mate to work or the gym, a good insulated bottle keeps it cold for hours—our roundup of the best yerba mate thermoses covers the options that hold up.

Common Mistakes and Storage

Three mistakes cause most disappointing batches. Using too much mate without enough water makes an overly strong, gritty drink—stick to the 3-tablespoons-per-4-cups start and adjust. Skipping a thorough strain leaves fine sediment behind; a coffee filter as a second pass fixes that. Steeping beyond 24 hours brings back the bitterness cold brewing avoids.

Store finished cold brew in an airtight container in the refrigerator. Recipe sources differ on shelf life, so a conservative window of 2–5 days is safest; the shorter end matches more cautious guidance. Discard any batch that smells or tastes off.

One note: yerba mate contains caffeine, so this is a genuine pick-me-up, just smoother-tasting than hot-brewed mate—the energy without the sharp edge.