Mom's Best Recipes
Recipe

Classic Coffee Frappe

A cold, foamy Greek-style coffee drink you can whip up in minutes with instant coffee, ice, and milk.

Author By Matt Campbell
4.8
A tall glass of classic Greek-style coffee frappe with thick foam on top and ice cubes visible, set on a bright kitchen counter with a straw

If you have ever paid way too much for an iced coffee that somehow tastes like regret and watered-down ambition, meet the antidote: the classic coffee frappe. This is the Greek café style one, the one with that signature pillowy foam and a clean coffee snap that stays bold even as the ice melts.

It is also wonderfully low drama. No espresso machine. No blender required. Just instant coffee, a jar or shaker, and the willingness to shake like you mean it. You can keep it simple, or you can make it dessert-adjacent with vanilla, cocoa, or a little caramel. Either way, it is the kind of drink that makes a random Tuesday feel like you are on a patio somewhere.

Instant coffee granules, sugar, ice cubes, and milk arranged in small bowls on a tidy kitchen counter with a glass and straw nearby

Why It Works

  • Big foam, every time: Shaking instant coffee with a small amount of water builds a stable foam that sits on top like a cloud.
  • Balanced strength: Using instant coffee keeps the flavor punchy without needing espresso.
  • Fast and flexible: Make it sweet, lightly sweet, dairy-free, or decaf with simple swaps.
  • No fancy gear: A jar with a lid, cocktail shaker, or milk frother all work.

Pairs Well With

Storage Tips

This drink is best fresh because the foam is the whole point. That said, life happens.

Fridge

  • Store: Pour leftovers into a covered jar and refrigerate up to 24 hours.
  • Expect: The foam will collapse and the ice will melt, so it will drink more like iced coffee.
  • Revive: Shake again with a handful of fresh ice, or froth with a handheld frother for 10 to 15 seconds.

Make-ahead tip

  • Mix the coffee, sugar, and water base (no ice, no milk) and refrigerate up to 2 days. For the strongest foam, it is best within 24 hours. Shake or stir before using, then shake hard with ice right before serving.

Common Questions

What is the difference between a frappe and a frappé?

In this recipe, we are talking about the Greek-style coffee frappé (often written “frappe” in English). It is made by shaking instant coffee with water to create foam, then serving it over ice with milk if you want. In other places, “frappé” can mean different chilled drinks, sometimes blended.

Do I need instant coffee?

For the classic foam texture, yes. Instant coffee tends to create the most stable, café-style froth when shaken. Brewed coffee will not foam the same way. Note: some brands foam better than others. A classic, Nescafé-style instant is the traditional choice.

Can I make it without sugar?

Absolutely. The traditional versions are often ordered by sweetness level, but you can go unsweetened. If you want a little balance without sugar, try a splash of vanilla extract or a pinch of cinnamon.

How do I make it dairy-free?

Use your favorite unsweetened plant milk. Oat milk is the most “coffee shop” tasting to me, and almond milk keeps it lighter. Coconut milk is great if you want a tropical vibe.

Can I make it decaf?

Yes. Use decaf instant coffee. The foam technique stays the same.

Why is my frappe not foamy?

  • Your water may be too hot. Cold water helps the foam stay thicker and last longer.
  • You may not be shaking long enough. Go for 20 to 30 seconds hard.
  • Your container might be too full. Leave headspace so it can churn and foam.
  • Your instant coffee might be the issue. Some brands foam less, so try another brand if it keeps happening.

I love recipes that feel like a little magic trick, and a frappe is exactly that. You put instant coffee and water in a jar, shake it like you are mad at it, and suddenly you have this thick foam that looks like it came from a café. It is the kind of low-effort win that makes me feel wildly competent at 2:00 p.m., even if my kitchen is covered in ice cubes I definitely spilled on purpose.