How to Make Herbal Iced Tea: A Lemon and Mint Summer Recipe

Ruby-red herbal iced tea in two glasses with ice, lemon slices and mint on a sunlit stone table.

To make herbal iced tea, brew a suitable herbal infusion according to its packet instructions, remove the tea bags or strain the leaves, cool the tea promptly, then serve over ice with lemon and mint. For a fuller flavour, use less ice or choose a slightly stronger brew only where the product instructions allow it.

You do not need bottled syrup or special equipment. A heatproof jug, your chosen tea and a few fresh ingredients are enough. This recipe focuses on an ordinary herbal infusion, not concentrated supplements or products with strict serving limits.

Choose the right herbal tea for icing

Start with a blend whose flavour you already enjoy hot. Hibiscus brings a rich ruby colour and a tart taste, peppermint has a fresh character, and fruit blends can work well with citrus. Chamomile offers a softer floral alternative.

Check the ingredients and directions first. Not every product sold as herbal or detox tea is suitable for this recipe. Do not increase the strength or servings of a product that has a stated maximum intake. Herbal does not automatically mean caffeine-free, either.

What you need for two glasses

A suitable herbal infusion, in the quantity the packet recommends for 500 ml of water
500 ml of drinking water
Ice cubes made from drinking water
Two to four thin slices of washed lemon
A small handful of washed fresh mint
Optional: a little sugar or honey, to taste
A heatproof jug and a strainer if using loose ingredients

Follow the product's own instructions for serving size, water temperature and brewing time. If those instructions do not suit this preparation, choose another tea rather than improvising with a concentrated product.

How to make herbal iced tea, step by step

1. Brew the tea as directed

Prepare the infusion in your heatproof jug using the water temperature and steeping time on its packet. Follow any requirement to use boiling water and allow the full stated brewing time. Do not simply soak a hot-brew-only blend in cold water.

2. Remove the tea and adjust the sweetness

Take out the tea bags or strain the infusion once brewing is complete. If you want a sweeter drink, stir in a small amount of your chosen sweetener while the tea is warm. Start lightly: you can always adjust the finished drink.

3. Cool it promptly

Let the tea cool using a method suitable for your jug, such as an ice-water bath around a heatproof vessel. Refrigerate once suitable for your container and appliance. Do not leave brewed tea sitting out for hours, and avoid pouring very hot liquid into glassware that is not heat-safe.

4. Add lemon and mint

Gently press a few mint leaves to release their aroma, then add them to the cooled tea with lemon slices. Taste before adding more lemon, especially if you are using a naturally tart blend such as hibiscus.

5. Pour over ice

Divide the ice between two glasses and add the cooled tea. Finish with a fresh mint sprig and serve straight away. The ruby-red version pictured uses a hibiscus-style infusion; other blends will give different colours.

Three easy flavour variations

Berry and mint: use a suitable berry infusion and finish with a few washed berries and mint.
Ginger and citrus: choose a ginger-based infusion and add a thin slice of orange or lemon after cooling.
Floral and peach: try a suitable chamomile infusion with a few slices of washed peach for a gentle, fruit-led variation.

Fresh fruit gives aroma and flavour, but it does not replace the brewing step. Keep fruit and herbs clean and add them close to serving.

How to avoid watery iced tea

The easiest fix is to chill your tea before adding ice. Hot tea melts the cubes quickly and dilutes the drink. Use fewer, larger cubes or freeze some properly prepared, cooled tea into cubes for your next glass.

For an ordinary culinary infusion with no strict serving limit, you can also use a little more tea if its instructions allow. Do not compensate by steeping indefinitely: extra brewing time can make some blends taste harsh rather than richer.

Frequently asked questions

Can I use herbal tea bags?

Yes, if they are suitable for the preparation method. Use the packet's recommended quantity for your volume of water and follow the full brewing instructions before cooling.

Can I make herbal iced tea without sugar?

Yes. Sweetener is optional. Try the cooled infusion first, then add lemon or mint to suit your taste. A fruity flavour does not necessarily mean the drink contains added sugar, so check the label if that matters to you.

Is cold-brew herbal tea the same as cooled hot-brewed tea?

No. Cold brewing starts with cold water, while this recipe starts with a properly prepared hot infusion. Only cold-brew a product when its instructions specifically permit that method.

Does herbal iced tea contain caffeine?

It depends on the ingredients, not the temperature. Blends containing green tea, black tea, mate or guarana may contain caffeine. Read our herbal tea vs green tea guide for a closer comparison.

Can I make it ahead?

You can prepare the tea ahead, cool it promptly and keep it covered in the refrigerator. Follow any storage guidance on the packet and prepare small batches. Add fresh garnishes and ice when serving rather than leaving a large jug at room temperature.

Make your next tea break a little cooler

Once you have a blend you like and a brewing method that suits it, homemade iced tea is easy to customise. Begin with the packet directions, chill before icing, and let a few fresh ingredients do the rest.

For more preparation advice, see our herbal tea brewing guide. Or explore our collection and check each blend's ingredients and directions before choosing one for your next iced tea.