Onion Latte Caramelized Espresso (Print View)

Caramelized onion, espresso, and creamy milk create a bold, savory beverage for adventurous coffee lovers.

# Components:

→ 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 fl oz) freshly brewed espresso
06 - 1 1/4 cups whole milk or oat milk
07 - 1 teaspoon honey or maple syrup, optional

# Method:

01 - Melt unsalted butter in a small skillet over medium-low heat. Add sliced onion, granulated sugar, and a pinch of salt. Sauté, stirring occasionally, until onions are deeply caramelized and golden, 12 to 15 minutes. Avoid high heat to preserve sweetness and texture.
02 - Transfer caramelized onions and pan juices into a blender. Add 2 tablespoons of milk and blend until smooth. Strain mixture through a fine-mesh sieve to achieve a silky consistency.
03 - Brew 2 shots of espresso and pour evenly into two serving mugs. Add 1 tablespoon of the strained onion purée to each mug, stirring until well blended.
04 - Warm the remaining milk until steaming, then froth using a milk frother or whisk until creamy and foamy.
05 - Pour frothed milk over espresso-onion mixture in each cup. Sweeten with honey or maple syrup, if desired. Stir gently and serve immediately.

# Expert Advice:

01 -
  • Inventive combination of sweet and savory flavors
  • Perfect for those seeking an exciting coffee experience
02 -
  • Caramelizing onions slowly over low heat develops their gentle sweetness and savory depth
  • Straining the onion purée creates a silky texture that blends seamlessly with milk and espresso
03 -
  • Use plant-based butter and non-dairy milk for a vegan-friendly version
  • Try sweet Vidalia or red onions for different flavor profiles
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