Onion Latte Caramelized Espresso (Printable)

Creamy milk, caramelized onion, and espresso unite in a bold, savory drink for flavor explorers.

# What you'll need:

→ Onion Base

01 - 1 small yellow onion, thinly sliced
02 - 1 tablespoon unsalted butter
03 - 1/2 teaspoon granulated sugar
04 - Pinch of salt

→ Latte Components

05 - 2 shots (2 ounces) freshly brewed espresso
06 - 1 1/4 cups whole milk (or oat milk for dairy-free option)
07 - 1 teaspoon honey or maple syrup (optional, for sweetness)

# Method:

01 - In a small skillet over medium-low heat, melt the butter. Add the sliced yellow onion, granulated sugar, and a pinch of salt. Sauté gently, stirring every few minutes, until onions become deep golden-brown and fully caramelized, typically 12 to 15 minutes. Maintain low heat for optimal flavor development.
02 - Transfer the caramelized onions and pan juices into a blender. Add 2 tablespoons of milk and blend until the mixture is completely smooth. Strain through a fine-mesh sieve to achieve a silky purée.
03 - Brew 2 shots (2 ounces) of espresso using an espresso machine or a strong coffee maker. Pour evenly into two serving cups.
04 - Add 1 tablespoon of strained onion purée to each cup of espresso. Stir thoroughly to incorporate.
05 - Heat the remaining milk until hot but not boiling, then froth using a milk frother or whisk until thick and creamy.
06 - Pour the frothed milk over the espresso-onion mixture in each cup. Sweeten with honey or maple syrup if desired. Stir gently and serve at once.

# Expert Advice:

01 -
  • Unique savory flavor profile
  • Perfect for adventurous coffee lovers
02 -
  • The onion purée must be strained for a smooth latte texture.
  • Dairy and plant-based versions both work well for this recipe.
03 -
  • Try sweet or red onions for subtle flavor changes.
  • Garnish with chives or pepper for a savory finish.
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