Crispissimo
IT EN ES FR
Caramelized Red Onions (The Perfect Sweet & Sour in 16 Mins)
IT EN ES FR

Caramelized Red Onions (The Perfect Sweet & Sour in 16 Mins)

Transform simple red onions into a gourmet side dish or the perfect hamburger topping. The air fryer caramelizes the sugars and balsamic vinegar, creating a thick and irresistible glaze.

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Vota
Temperature
340°F
Cook Time
16 min
Prep Time
5 min
Servings
4
pers.

🛒 Ingredients

  • 3 medium red onions (Tropea style)
  • 0.7 fl oz olive oil
  • 0.5 fl oz balsamic vinegar
  • 0.35 oz brown sugar
  • A pinch of salt and pepper

👨‍🍳 Instructions

1

Peel and cut red onions into thick wedges or large rings.

Step 1
2

Combine onion pieces with olive oil, balsamic vinegar, brown sugar, salt, and pepper in a bowl.

Step 2
3

Mix thoroughly to dissolve sugar and ensure even coating.

Step 3
4

Transfer mixture to a preheated cooking appliance basket set to 340°F.

Step 4
5

Cook for 16 minutes, stirring every 5-6 minutes to ensure even caramelization and prevent scorching.

Step 5

Nutrition Facts

Amount per 1 serving
🔥85Kcal
🥩1.5gPro
🍞12gCarbs
🥑4gFat

💡 Chef's Tip

"Frequent agitation is critical. Brown sugar and balsamic vinegar are prone to rapid darkening under static heat conditions."

Lab Tested Verified Method ⏱️ Last check: Apr 2026

❓ Frequently Asked Questions

How to store Caramelized Red Onions (The Perfect Sweet & Sour in 16 Mins)?
Let it cool completely, then store in an airtight container in the fridge for 2-3 days.
Can I cook this from frozen?
Yes, add about 20-30% more time compared to the standard recipe and check halfway through.
How to reheat leftovers?
Use the air fryer at 320°F (160°C) for 3-5 minutes to restore crispiness. Avoid the microwave.

⚡ Energy Savings

See how much you save by cooking with air instead of an oven.

Traditional Oven --
Air Fryer --
Net Savings --
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