Deeply Caramelized Onions: The 45-Minute Method

Name: Deeply Caramelized Onions: The 45-Minute Method
Prep time: 5 min
Cook time: 45 min
Total time: 50 min
Yield: 6 portions
Cuisine: Canadian
Ingredients: 4 large yellow onions (peeled and thinly sliced); 2 tablespoons olive oil; 1/2 teaspoon salt; 1/4 cup water or broth (for deglazing, as needed)

50 min 6 portions Medium

All Recipes

Unlock the rich, sweet flavour of deeply caramelized onions with this traditional 45-minute method that cannot be rushed.

Prep

5 min

Cook

45 min

Total

50 min

Servings

Difficulty

Medium

Caramelized onions are a cornerstone of flavour in many dishes, providing a deep, sweet, and savoury taste that elevates everything from soups to steaks. Achieving the perfect caramelization requires patience and a little bit of technique, but the payoff is worth the wait. The process of caramelizing onions involves slowly cooking them until their natural sugars break down and turn a rich, golden brown. This can't be rushed, and any shortcut will result in less flavourful onions. With the right approach, you'll have perfectly caramelized onions in about 45 minutes.

Instructions

Prepare the onions

Peel and thinly slice the onions into consistent rings for even cooking.

Pro tip: Use a mandoline for uniform slices.

Heat the pan

In a large, heavy-bottomed skillet, heat the olive oil over medium heat until shimmering.

Pro tip: A cast-iron pan works best for even heat distribution.

Start sautéing

Add the sliced onions and salt to the pan, stirring to coat them in oil. Reduce the heat to medium-low.

Pro tip: Stir every 5-10 minutes to ensure even cooking.

Caramelize the onions

Continue to cook the onions, stirring occasionally. As they brown, deglaze the pan with a splash of water or broth to release the fond.

Pro tip: Maintain the heat on medium-low to avoid burning.

Check for doneness

After about 45 minutes, the onions should be deeply browned and sweet. Taste and adjust seasoning if necessary.

Pro tip: Patience is key; resist the urge to increase the heat.

Store or serve

Remove the onions from the pan and use immediately or let cool and store in an airtight container.

Pro tip: Refrigerate for up to a week or freeze for longer storage.

💡

Tips & Tricks

Use a heavy-bottomed pan to maintain even heat.
Keep the heat on low to medium-low for uniform browning.
Deglaze with water or broth to prevent burning.
Freeze in portions for future use.

Frequently Asked Questions

How to caramelize onions?

To caramelize onions, cook them slowly in oil over medium-low heat for about 45 minutes, stirring occasionally.

What is the best oil for caramelized onions?

Olive oil is a great choice for caramelizing onions due to its flavour and health benefits.

How long does it take to caramelize onions?

It takes about 45 minutes to properly caramelize onions.

Can you freeze caramelized onions?

Yes, freeze them in portions using an ice cube tray, then transfer to a freezer bag.

What type of pan is best for caramelizing onions?

A heavy-bottomed skillet, like cast iron, is best for even heat distribution.

Serving Suggestions

Caramelized onions can be made ahead of time and stored in the refrigerator for up to a week. For longer storage, freeze them in small portions, such as in ice cube trays, and then transfer to a freezer bag once solid. This way, you can easily add a burst of flavour to your meals. These onions pair beautifully with grilled meats, added to sandwiches, or even as a topping on pizza. Their versatility makes them a valuable component in your culinary repertoire.

Nutrition per serving

Calories

Protein

This gluten-free pizza dough is easy to make and perfect for those with gluten sensitivities. Enjoy a crispy crust without compromising on taste.

Easy25 min

See the recipe

Kitchen & BBQ gear

What we use for recipes like this

See the whole store

BBQ & Outdoor Cooking · Grill Mats

COOKINA BBQ Reusable Grill Mat (Pack of 2) - 100% Non-Stick, Easy to Clean Grilling Sheet for Smokers, as well as Gas, Charcoal and Electric Barbecues

$29.98

Coffee & Drinks · Filter Coffee Makers

BLACK+DECKER 12-Cup Coffee Maker with Removable Filter Basket

$44.95

Pit Boss Grills

A-Maze-N 6" Smoke Tube

$8.99

Affiliate links. Prices come from Amazon and are refreshed at least every 24 hours.