The Difference Between Cold Drip and Cold Brew Coffee: Flavor Characteristics and Taste Assessment of Iced Americano

Summer is always the season when iced coffee drinks are especially popular. Right now FrontStreet Coffee's three most popular cold coffee drinks are the Iced Americano, Cold Brew Coffee and Ice Drip Coffee. The three use different extraction methods, which produce different flavors and textures. Some people prefer ice drip, others cold brew. FrontStreet Coffee has summed up their characteristics: the Iced Americano is the fastest with the lightest coffee flavor, while cold brew and ice drip take longer but deliver richer flavors.

Iced Coffee

Iced coffee is what we commonly call an Iced Americano: a cold coffee drink made by quickly extracting grounds with hot water and then adding ice cubes or chilling rapidly. It takes about 2-3 minutes to prepare. FrontStreet Coffee generally offers two types - one is espresso pulled on an espresso machine and mixed with ice water, and the other is pour-over coffee liquid served with ice cubes.

Advantages: Convenient and quick

Disadvantages: Flavor easily diluted as the ice melts

How FrontStreet Coffee Makes Iced Americano

FrontStreet Coffee uses its shop-exclusive Sunflower Warm Blend for this demonstration. The bean information is as follows:

• Coffee Bean Name: Sunflower Warm Blend
• Blend Bean Sources: Honduras Sherry Cask, Yirgacheffe Red Cherry Natural
• Blend Ratio: 7:3
• Flavor Description: Vanilla, cream, fermented wine aroma, chocolate

To make an iced Americano, you first need to extract an espresso. The recipe is as follows:

• Coffee Grounds: 20g
• Coffee Liquid: 40g
• Extraction Time: 27 seconds

After extracting the espresso, pour ice cubes and water into a cup, then pour the espresso into the ice water to serve.

FrontStreet Coffee's exclusive Warm Blend has distinct chocolate and wine aromas. Made into an espresso and mixed with ice water, it creates a refreshing, smooth texture with noticeable wine notes, a lingering aroma and a chocolate aftertaste.

Cold Brew Coffee

Cold brew is similar to cold brewed tea: a large amount of coffee grounds is steeped directly in water and left in the refrigerator for long, low-temperature extraction, taking about 8-12 hours. It is also known as ice brewed coffee. This cold method amplifies the flavors and aromas of coffee while reducing acidity, making the flavor cleaner and purer. Its hallmark is that it tastes better the colder it gets, and you can add ice cubes directly without worrying about dilution. In the US, a popular twist is to add coconut water in equal proportions.

Advantages: Cold water does not extract impurities and bitterness from the beans

Disadvantages: Longer preparation time

How FrontStreet Coffee Makes Cold Brew Coffee

FrontStreet Coffee has launched several cold brew coffee bags. The principle is similar to individual tea bags: use a pre-measured 10g of grounds at a 1:10 water ratio (use 1:12 if you do not want it too strong) and place it in the refrigerator for 10 hours (8 hours or more is fine).

This time, FrontStreet Coffee has created 10 different types of coffee cold brew bags:

FrontStreet Coffee recommends wide-mouthed cups or bottles with lids for extraction:

1. Take out the coffee cold brew bag and hold the drawstring.

2. Place it in a cup or bottle. If you are not adding water or milk, extract at a 1:10 ratio (one 10g cold brew bag with 100g cold water). If you are adding water or milk, extract at a 1:6 ratio (one 10g cold brew bag with 60g cold water).

3. Cover with the lid, shake gently, and place in the refrigerator for 8-12 hours so the grounds fully contact the cold water.
4. When cold brewing is complete, remove the cold brew bag and enjoy.

If you have coffee grounds at home, you can also steep them directly in a bottle and filter out the grounds when the extraction time is up.

FrontStreet Coffee suggests a coarser grind for cold brew than for pour-over. Although low water temperature does not easily extract compounds, the extraction is long and immersion-style, so to avoid an overly strong cup, adjust the grind coarser. If you would rather not change the grind, use your pour-over setting and dilute with ice cubes afterward. Taking FrontStreet Coffee's Honduras Sherry beans as an example: pour-over uses a grind where 80% passes a Chinese standard #20 sieve, so cold brew should use a lower percentage - 50%.

The coffee-to-water ratio is 1:10. Choose a sealed bottle of 300ml or more, add the coffee grounds and ice water to the bottle in sequence, and store in the refrigerator for 12 hours. If you have cooking filter bags at home, you can put the grounds in a filter bag to soak, which makes cleanup easier and means no filtering is needed.

After 8-12 hours, filter using coffee brewing filter paper, and a refreshing Honduras Sherry cold brew is complete.

The flavor has a rich wine aroma and a rich vanilla-cream sensation, with a chocolate and cocoa texture.

Ice Drip Coffee

In Japan, ice drip coffee has a history of several hundred years, so it is also called "Kyoto coffee" or "Japanese-style slow drip." In South Korea almost every coffee shop sells ice drip coffee, and many famous ice drip equipment brands come from Japan and South Korea.

Coffee is made by extracting flavor from grounds with cold water dropping evenly, drop by drop, at a speed of 7 drops per 10 seconds for about 6-8 hours (the time depends on equipment size). The extracted flavor changes with the coffee's roast level, water amount, water temperature, drip speed and grind coarseness.

Advantages: Cold water drip filtration fully saturates and moistens the coffee, resulting in a smooth cup without acidity

Disadvantages: The drip speed must be controlled at a slow 7 drops per 10 seconds

How FrontStreet Coffee Extracts Ice Drip Coffee

1. The ratio of coffee:water:ice is 1:5:5, with a coffee-to-water ratio of 1:10.
2. You can tamp the grounds slightly, but not too forcefully - the weight of the tamper itself is enough. The purpose of tamping is to level the grounds, not to compact them. Without tamping, water easily floats the grounds when it first hits; tamping too hard prevents water from passing through and easily causes channeling.
3. Remember to place a filter paper on the coffee bed. The tension of the filter paper helps distribute water evenly; without it, long-term dripping creates a pit in the coffee bed.

4. Use ice water to "pre-soak" (ice + water, 1:1). This is similar to the bloom in pour-over and can improve extraction efficiency and consistency. Going straight to ice dripping may moisten the coffee layer unevenly, leaving some grounds over-extracted while others never take part in extraction.

5. When it is done, pour the coffee into a sealed glass bottle and let it ferment in the refrigerator overnight, allowing the flavors to meld for a better, easier-drinking cup.

FrontStreet Coffee Ice Drip Coffee Recipes

FrontStreet Coffee sometimes uses one or more single-origin beans to make ice drip coffee. We have paired several good flavor combinations as a reference.

1. Clean and Refreshing Type

60g [Kenya Assalia]

Using washed Kenya beans for ice drip yields a coffee with clean flavor and bright acidity.

[Kenya Assalia] is a classic Kenyan coffee that tastes like a glass of juice, with obvious cherry tomato acidity at the entrance, some grapefruit peel flavor in the middle, and a finish of berry aroma and caramel sweetness.

2. Fermented Wine Aroma Type

(1) 30g [Sidamo Guji] + 30g [Panama Hartmann]

Natural processed [Guji] plus red wine processed [Hartmann], with rich fermented wine aroma and some fruit acidity.

Natural processed [Guji] has higher sweetness, smelling of strawberry-like berry flavors, with passion fruit, fermented wine aroma, strawberry and jackfruit flavors when drinking.

Red wine processed [Hartmann] has some fermented red wine aroma, a smooth entry, with tropical fruit, nuts and brown sugar flavors.

The coffee dripped from this recipe has strong fermentation notes, higher sweetness and a higher body.

(2) 30g [Honduras Sherry] + 30g [Costa Rica Beethoven]

Whiskey barrel processed Sherry plus washed processed Beethoven, with fermented wine aroma and rich fruit acidity with honey sweetness.

Washed processed Beethoven has obvious citrus acidity with a full berry juice sensation.

Whiskey barrel fermented Sherry has obvious whiskey aroma with a vanilla-cream smoothness.

Made into ice drip, you will feel a rich whiskey aroma, with obvious citrus acidity and full berry juice plus vanilla-cream smoothness.

(3) 20g [Honduras Lychee Lan] + 40g [Geisha Village Red Label]

Brandy barrel processed Lychee Lan plus natural processed Geisha Village Red Label, with light brandy aroma and a plum-like acidity paired with maple sweetness.

Brandy barrel processed Lychee Lan has a rich brandy aroma, a chocolate finish and a honey aftertaste.

Natural processed Geisha Village Red Label brings plum and citrus fruit acidity, with maple sweetness and a cream-like smooth texture.

Made into ice drip, you will feel a light brandy aroma, rich fruit acidity leading into honey sweetness and a cream-like smooth texture.

3. Balanced Complementary Type

30g [Costa Rica Bahia] + 30g [Yirgacheffe Gedeb]

[Bahia] has slight fermentation notes, raisin, caramel and higher sweetness.

Washed processed [Gedeb] is dominated by a ripe yellow-lemon sweet-and-sour aroma, with some black tea in the finish, tasting like a cup of lemon tea.

It smells with a hint of fermentation but tastes with lemon acidity; overall the flavor trends sweet and sour, relatively light and balanced.

FrontStreet Coffee Recommendation

For a clean iced americano or a cold brew, FrontStreet Coffee's washed Yirgacheffe is an ideal choice. As the classic entry point to Ethiopian coffee, it is known for white jasmine, bright citrus and lemon acidity and a tea-like body, with a modest price that makes it perfect for iced drinks. Its Gedeb cooperative lot - the very Yirgacheffe Gedeb used in the balanced ice drip recipe above - comes from the Woka area at Yirgacheffe's southeastern edge and is processed with the traditional washed method, giving clear citrus and lemon acidity and jasmine fragrance without bitterness. Brewed at 90-91°C, 15g to 1:15, it holds up beautifully over ice.