Brew Method

Instant Coffee: How It's Made and How to Use It

Instant coffee is made by extracting roasted coffee with water, then concentrating and drying the extract into soluble powder or granules. At home, you dissolve it and control its concentration with the dose and water.

By Edward MillerReviewed by Online Coffee Guide editorial teamPublished November 18, 2025Updated September 27, 20265 min read

Instant coffee granules beside a mug of black coffee, a spoon and a kettle

On This Page10 Sections

Key Takeaways

1Plain instant is dried coffee extract. Ordinary ground coffee does not dissolve, however finely you grind it.
2The coffee dose controls how much soluble coffee goes into the cup. More water dilutes that dose; it does not remove its caffeine.
3Freeze-dried and spray-dried describe production processes. Check the actual coffee, serving directions and ingredients rather than treating either name as a quality guarantee.

How it is made Use it at home Caffeine and calories Compare formats

Highlights

Format: Dried coffee extract
Preparation: Dissolve and stir
Control: Coffee dose and dilution
Filter or grinder: Not needed for plain instant

What Is Instant Coffee?

Instant coffee is real coffee that has already been extracted with water and dried. It is also called soluble coffee. Reintroducing water makes a drink without brewing fresh grounds in your mug.

This guide explains the process and practical choices. For exact hot and iced quantities, use our instant coffee drink recipe, which starts with 2 g plain instant and 200 ml (6.8 US fl oz) water.

Check the ingredient list. Plain soluble coffee, a blend with finely ground coffee, and a sweetened coffee-and-creamer sachet are different products. A product containing microground coffee may leave some fine sediment even after its soluble portion dissolves.

How Instant Coffee Is Made

The main sequence is roast and grind → extract and concentrate → dry → package. Nestlé Professional describes extracting roasted grounds with water, concentrating the liquid and drying it. Its process also captures coffee aromas for later reintroduction.

The material being dried is coffee extract, not a pile of unbrewed grounds. That distinction explains why adding water works at home without a filter.

Instant coffee production: roast, grind and extract coffee; dry the extract by spray drying or freeze drying; dissolve the finished coffee at home — Nestlé Professional and NESCAFÉ describe spray drying and freeze drying as alternative production routes, not consecutive steps or quality grades.

Freeze-Dried vs. Spray-Dried

Two ways to dry coffee extract

Two ways to dry coffee extract
Process	How water is removed	What the label tells you
Spray drying	Small droplets of extract dry in hot air	A manufacturing route, for drying extracted coffee
Freeze drying	The extract is frozen; ice is removed as vapor under reduced pressure	A different drying route, that removes ice under reduced pressure

NESCAFÉ's manufacturing FAQ describes both processes. Beans, roast, extraction, formulation, packaging and storage also shape the finished drink. Compare products at a repeatable dose to find the one you enjoy.

How to Make Instant Coffee

Start with one teaspoon of plain instant coffee and 200 ml (6.8 US fl oz) hot water. NESCAFÉ's serving guide uses 1.8 g for that spoon measure and recommends 85°C (185°F) water for its black instant coffees. Adjust the dose to taste or use your product's specified serving.

Put the teaspoon of instant coffee into a heatproof mug with room for stirring.
Add 200 ml (6.8 US fl oz) hot water for this starting cup.
Stir until dissolved, then taste before adding milk or sugar.
Change one thing next time: coffee dose for more or less coffee, or water for dilution.

For a fully measured starting method and iced version, follow the 2 g instant coffee recipe. A concentrated instant drink is not pressure-brewed espresso. For a sweet foam topping, use the separate Dalgona recipe; it needs its own sugar, water and milk quantities.

Fixing Weak, Bitter or Clumpy Instant Coffee

Instant coffee problems and useful adjustments

Instant coffee problems and useful adjustments
Problem	First adjustment
Weak or watery	Measure the water. Use less water or a little more of the same coffee; extra coffee also changes caffeine.
Too concentrated or harsh	Try a little more water. If the flavor remains unpleasant at sensible doses, change the coffee.
Clumps or residue	Stir thoroughly and check the ingredients. Ground-coffee blends can leave sediment; ordinary grounds will not become instant.
Jar contents have lost freshness	Reseal after use, keep the jar cool and dry, and use a dry spoon. Follow its storage and best-before guidance.

Longer waiting does not extract fresh grounds from plain instant: extraction has already happened.

For iced instant coffee, I dissolve the granules in a little warm water first. Then the cold ingredients go in. I prefer judging a smooth finished drink to stirring stubborn bits around the ice.

Caffeine in Instant Coffee

For 2 g of NESCAFÉ UK Original or Gold, the published reference is 50–90 mg caffeine. This manufacturer range uses the 2 g dose in our drink recipe; the teaspoon example above uses 1.8 g.

Adding water to the same dissolved dose makes it less concentrated without changing its total caffeine. More instant coffee adds more caffeine from that product. Decaf and coffee mixes need their own figures.

Instant Coffee Calories and Sugar

For comparison with our drink recipe, 2 g of generic plain instant powder has about 7 kcal and 0 g total sugar in USDA's reference data. This is a generic ingredient estimate, not NESCAFÉ's label. Water adds no energy; milk, sugar and creamer change the total.

Serving calculations and source differences

USDA's original SR28 record 14214 (2015) gives 353 kcal and 0 g total sugar per 100 g of regular instant-coffee powder. A 2 g dose gives 7.06 kcal, rounded to 7. The caffeine range above comes separately from NESCAFÉ UK. Its Original product page describes approximately 1.8 g with 200 ml water and around 1–2 kcal when prepared as directed. These are different records and serving bases; use the actual label for your jar.

Is Instant Coffee Bad for You?

Plain instant coffee has few calories and no added sugar. Choose plain granules to control sweetness, and decaf if you want less caffeine. Sugar-and-creamer sachets have their own ingredients and nutrition.

Acrylamide can form during high-temperature food processing, including roasting. The FDA says the precise risk to humans remains unclear; high-dose animal results do not establish a harmless threshold for an everyday cup. For a personal caffeine limit, follow advice relevant to your health circumstances.

Instant Coffee vs. Brewed Coffee and Coffee Bags

What happens when water meets each coffee format

What happens when water meets each coffee format
Format	At home	What remains
Plain instant	Dissolve dried extract	No filter or spent grounds
Coffee bag	Steep a sealed sachet of grounds	Wet grounds inside the bag
Drip coffee	Pass water through ground coffee	Wet grounds in a filter

Choose instant for the quickest preparation and no spent grounds, steeped coffee bags for brewing grounds with only a mug, or drip coffee when you have a filter and brewer. A hanging drip bag supplies its own disposable filter, while pod coffee requires a compatible machine.

A Short History

A useful dated milestone is NESCAFÉ's 1 April 1938 Swiss launch, recorded in its manufacturing history. That is a brand milestone, not a claim that soluble coffee began on that date.

Common Questions Before You Brew

Is Instant Coffee Just Very Fine Ground Coffee?

No. Instant is dried extract; ground coffee is roasted bean material that still needs brewing. A grinder cannot make ordinary beans dissolve.

Can You Make Instant Coffee Without Hot Water?

Yes. Stir the granules into cold water until dissolved; Folgers explicitly offers a cold-water method. If granules remain, dissolve them in a small hot-water portion first, then add the remaining cold liquid.

Does a Stronger Taste Mean More Caffeine?

Adding more of the same instant coffee increases both strength and caffeine. Using less water makes the same dose taste stronger without adding caffeine. Compare products using their stated caffeine figures rather than roast-intensity labels.

Editor's Take

Sources and Further Reading

6 references

External links open in a new tab