Caramelized Onion Salsa Verde

Name: Caramelized Onion Salsa Verde
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Yield: 4 servings
Ingredients: 2 large yellow onions, sliced; 2 tablespoons olive oil; 1 pound tomatillos, husked and rinsed; 1/2 cup fresh cilantro, chopped; 1/4 cup lime juice; 1 teaspoon salt; 1/2 teaspoon black pepper; 1 jalapeño, seeded and diced (optional)

Highlighted under: Fusion Style Recipes

I absolutely love the unexpected depth of flavor that caramelized onions bring to this salsa verde. By slowly cooking the onions until they are beautifully golden brown, I find that the sweetness perfectly balances the bright acidity of the tomatillos and fresh herbs. The result is a unique twist on a classic condiment that pairs wonderfully with grilled meats, tacos, or even as a stand-alone dip with tortilla chips. It’s a recipe I return to time and again, especially during summer gatherings.

Created by

Emily

Last updated on 2026-01-08T11:02:41.365Z

When I first made this Caramelized Onion Salsa Verde, I was amazed at how the sweetness of the onions mingled with the tangy tomatillos. Cooking the onions slowly allows their natural sugars to develop, creating a rich flavor that enhances the overall experience of the salsa. I paired it with tacos and was delighted by how it elevated the dish, making it something special.

One tip I've learned is to make sure to keep an eye on the onions while they caramelize. It’s tempting to walk away, but stirring them occasionally ensures they cook evenly and don’t burn. This extra attention makes all the difference in the final flavor.

        Why You Will Love This Recipe
        Unique flavor profile that elevates traditional salsa verde
Rich sweetness from caramelized onions balances the acidity of tomatillos
Versatile condiment perfect for tacos, grilled meats, or chips

      

The Importance of Caramelization

Caramelizing the onions is a crucial step in this recipe, as it adds a deep, rich sweetness that enhances the overall flavor of the salsa verde. To achieve perfect caramelization, ensure that your skillet is hot enough to start the onions cooking but not so hot that they burn. Stirring them occasionally allows the natural sugars to brown evenly, taking about 30 minutes. Look for a beautiful golden-brown color and a fragrance that fills the kitchen—these are signs that you’ve nailed it!

If you notice that the onions are sticking, you can add a splash of water to deglaze the pan, helping to lift any browned bits and adding more flavor to the dish. Remember, patience is key: rushing the process can lead to uneven cooking and a raw onion taste.

Ingredient Functions and Substitutions

Tomatillos are essential for this recipe; their tart flavor balances the sweetness of the onions and adds a refreshing note. If you can’t find tomatillos, you can substitute with green tomatoes, but the flavor will be milder. For an interesting twist, try adding roasted green peppers alongside the tomatillos for an extra smoky element.

The lime juice brightens up the flavors in the salsa. If you're out of limes, fresh lemon juice can also work in a pinch. Fresh cilantro is a core component, providing freshness and herbal notes, but if you or your guests are cilantro-averse, try fresh parsley or basil as alternatives. Keep in mind that this will change the flavor profile but can still yield a delicious salsa.

Make-Ahead and Storage Tips

This salsa verde benefits from chilling in the fridge for at least 30 minutes, as this allows the flavors to meld beautifully. If you prepare it a day in advance, it will taste even better the next day! Just be sure to give it a stir before serving, as some separation may occur.

You can store any leftovers in an airtight container in the refrigerator for up to one week. If you want to freeze the salsa for later use, consider freezing it in smaller portions using ice cube trays. This way, you can thaw only what you need later and enjoy the unique flavor of caramelized onion salsa verde any time.

Ingredients

Gather these ingredients for a deliciously unique salsa verde.

Ingredients

2 large yellow onions, sliced
2 tablespoons olive oil
1 pound tomatillos, husked and rinsed
1/2 cup fresh cilantro, chopped
1/4 cup lime juice
1 teaspoon salt
1/2 teaspoon black pepper
1 jalapeño, seeded and diced (optional)

Prep all the ingredients before you start cooking for a smoother process.

Instructions

Follow these steps to create your Caramelized Onion Salsa Verde.

Caramelize the onions

In a large skillet, heat the olive oil over medium heat. Add the sliced onions and a pinch of salt. Cook slowly, stirring occasionally, until the onions are soft and caramelized, about 30 minutes.

Blend the salsa

Once the onions are caramelized, remove them from the heat. In a blender, combine the tomatillos, caramelized onions, cilantro, lime juice, salt, pepper, and jalapeño (if using). Blend until smooth, adjusting seasoning to taste.

Chill and serve

Transfer the salsa to a bowl and let it chill in the refrigerator for at least 30 minutes to allow the flavors to meld together. Serve with your favorite dishes.

Salsa verde is best served fresh, but can be stored in the fridge for up to a week.

Pro Tips

Experiment with different herbs like parsley or add avocado for a creamy texture.

Serving Suggestions

This caramelized onion salsa verde pairs perfectly with grilled meats like chicken or steak, adding a fresh and unique flavor that elevates any dish. Consider serving it alongside tacos filled with your choice of protein, as it brings a delightful sweetness that complements the spiciness of traditional taco fillings. It also makes an excellent topping for grilled fish or shrimp, adding both color and zest.

Don't shy away from enjoying this salsa verde as a stand-alone dip with tortilla chips or fresh veggies. The combination of sweet and tangy flavors makes it a refreshing option for summer gatherings and potlucks. You can even use it as a vibrant dressing for salads, giving ordinary greens a gourmet touch.

Troubleshooting Common Issues

If your salsa verde seems too watery, it could be due to the moisture content in the tomatillos. You can remedy this by straining the salsa through a fine mesh sieve or by blending in a little less of the liquid until you reach your desired consistency. Alternatively, consider roasting the tomatillos before blending, which can concentrate their flavors and reduce excess moisture.

On the other hand, if your salsa turns out too acidic, adding a pinch of sugar can help balance the flavors without overpowering the freshness. Remember, seasoning is always a personal preference, so taste and adjust accordingly as you blend your ingredients together to find that perfect mix.

Questions About Recipes

→ Can I make this salsa verde ahead of time?

Yes, you can prepare it a day in advance. Just keep it covered in the refrigerator.

→ What can I use this salsa verde with?

It's perfect with grilled meats, tacos, and even as a dip for chips.

→ How can I adjust the spice level?

You can control the spice by adding more or less jalapeño or using a milder pepper.

→ Can I freeze this salsa?

Yes, it can be frozen in an airtight container for up to 3 months. Just thaw before serving.