Save A bold and unconventional latte that blends the subtle sweetness of caramelized onions with rich espresso and creamy milk. This avant-garde beverage offers a savory twist on the classic coffee drink, perfect for adventurous palates seeking new flavor frontiers.
I made Onion Latte for a brunch gathering with friends. The reaction ranged from skeptical laughter to genuine surprise after that first sip: caramelized onions add a buttery warmth that pairs beautifully with rich espresso.
Ingredients
- Yellow onion: 1 small, thinly sliced
- Unsalted butter: 1 tablespoon
- Granulated sugar: 1/2 teaspoon
- Salt: Pinch
- Espresso: 2 shots (60 ml) freshly brewed
- Whole milk: 300 ml (or oat milk for dairy-free option)
- Honey or maple syrup: 1 teaspoon (optional, for sweetness)
Instructions
- Prepare the onion base:
- In a small skillet over medium-low heat, melt the butter. Add sliced onion, sugar, and a pinch of salt. Cook slowly, stirring occasionally, until the onions are caramelized and golden, about 12–15 minutes. Low and slow yields the best flavor.
- Blend the caramelized onions:
- Transfer onions and pan juices to a blender. Add 2 tablespoons of milk and blend until completely smooth. Strain through a fine-mesh sieve for a silky texture.
- Make the latte:
- Brew 2 shots of espresso. Divide between two cups. Add 1 tablespoon of strained onion purée to each cup and stir to combine.
- Froth the milk:
- Heat remaining milk until steaming. Froth using a milk frother or whisk until creamy and foamy.
- Assemble:
- Pour frothed milk over the espresso-onion mixture. Sweeten with honey or maple syrup if desired. Gently stir and serve immediately.
Save My son was fascinated by the aroma and even helped froth the milk: this latte became a memorable family experiment full of laughter and curiosity.
Required Tools
Skillet, blender, fine-mesh sieve, espresso machine or strong coffee maker, milk frother or whisk
Allergen Information
Contains dairy (milk, butter). For dairy-free/vegan, use plant-based options. No gluten, eggs, or nuts.
Nutritional Information (per serving)
Calories: 110 Protein: 4 g Total Fat: 4 g Carbohydrates: 15 g
Save Serve immediately for the best aromatic experience. Onion Latte may just surprise your taste buds!
Recipe FAQ
- → What type of onion works best?
Yellow onions offer a balanced sweetness, but Vidalia or red onion bring unique flavor nuances.
- → Can this drink be made dairy-free?
Use plant-based butter and oat milk for a fully dairy-free version of this beverage.
- → Is espresso necessary?
Espresso provides a bold base, but strong brewed coffee is an acceptable substitute.
- → How should onions be prepared?
Caramelize onions slowly on low heat for deep flavor and smooth blending in the beverage.
- → Recommended garnish options?
Ground black pepper or chopped chive add a subtle savory finish. Pair with a sharp cheese croissant.