Grilled onion salad with rosemary

This grilled onion salad features sweet, caramelized onions paired with a fragrant rosemary and mustard dressing, offering a savory and aromatic side dish perfect for any meal. The grilling method enhances the onions' natural sweetness, making it a delightful addition to your table.

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05 May 2026
Cook time 30 min
Prep time 10 min

Ingredients:

1/2 cup olive oil
2 tbsp olive oil
3 tbsp vinegar
2/3 tbsp onion
1 garlic clove
1 tbsp rosemary
6 onions
1 tsp salt
1 dash salt
1 tsp mustard
Grilled onion salad with rosemary

Experience the delightful combination of grilled onions with a fragrant rosemary, mustard, and olive oil dressing in this exquisite salad recipe. This dish balances the sweetness of caramelized onions with the savory notes of rosemary and mustard, making it a perfect choice for a light, flavorful side dish or appetizer.

Instructions:

1. Prepare the Dressing:
- In a small bowl, combine the finely chopped onion, minced garlic, 1 tbsp fresh rosemary, 3 tbsp vinegar, 1 tsp mustard, and a dash of salt.
- Gradually whisk in 1/2 cup olive oil until the dressing is well blended and emulsified. Set aside.
2. Prepare the Onions for Grilling:
- Peel and cut the 6 large onions into thick rings, about 1/2 inch to 3/4 inch thick.
- Brush both sides of the onion rings with 2 tbsp olive oil.
- Sprinkle 1 tsp salt evenly over the onion rings.
3. Grill the Onions:
- Preheat your grill to medium-high heat.
- Place the onion rings directly on the grill grates.
- Grill the onions for about 4-6 minutes on each side, or until they are tender and have beautiful grill marks. Be careful not to burn them; adjust the heat as necessary.
4. Assemble the Salad:
- Once grilled, transfer the onion rings to a serving platter or bowl.
- Drizzle the prepared rosemary, mustard, and olive oil dressing over the grilled onions.
5. Serve:
- Serve the salad warm or at room temperature.
- This dish pairs wonderfully with grilled meats or can be enjoyed on its own as a flavorful side.

This grilled onion salad with rosemary, mustard, and olive oil dressing is not only easy to prepare but also rich in flavors. Whether served at a summer barbecue or a cozy dinner, it is sure to impress with its simplicity and taste. Enjoy this healthy and delicious salad that highlights the natural sweetness of onions combined with a tangy and savory dressing.

Grilled onion salad with rosemary FAQ:

What type of onion is best for grilling?

While you can use any onion, yellow onions are ideal for grilling due to their sweetness and flavor. Red onions also work well if you prefer a milder taste.

How can I tell when the grilled onions are done?

Grilled onions are done when they are tender and have grill marks on both sides, typically after 4-6 minutes of grilling per side. They should be soft but not burnt.

What can I substitute for olive oil in the dressing?

If you need a substitute for olive oil, you can use avocado oil or canola oil in a 1:1 ratio. However, the flavor may differ slightly from traditional olive oil.

How should I store leftover grilled onion salad?

Store leftover salad in an airtight container in the refrigerator for up to 3 days. Reheat gently in the microwave or serve cold, as the flavors will continue to develop.

Can I make the dressing ahead of time?

Yes, you can prepare the dressing up to 3 days in advance. Keep it in a sealed container in the refrigerator. Whisk it again before using, as it may separate.

Cooking Tips:

- When grilling the onions, make sure to slice them uniformly to ensure even cooking.

- If you don't have a grill, you can also roast the onions in the oven at 400Β°F (200Β°C) until they are caramelized and tender.

- For a stronger rosemary flavor, let the dressing sit for at least 30 minutes before using, allowing the herbs to infuse the oil.

- Adjust the amount of mustard to your taste if you prefer a milder or stronger mustard flavor.

- Add a sprinkle of fresh herbs, such as parsley or chives, for an extra burst of freshness.

Nutrition Facts

1 Servings
Calories 360kcal
Protein 8g
Carbohydrates 80g
Fiber 18g
Sugar 55g
Fat 140g

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