How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Roasted Onion Salad?

You need 11 ingredients. The key ingredients include: 3 large sweet onions, cut into 1/2-inch slices, 1/4 cup plus 1/2 teaspoon olive oil, divided, 4 garlic cloves, 8 cups torn mixed salad greens, and more.

Is Roasted Onion Salad suitable as salads?

Yes, Roasted Onion Salad falls under the Salads category and is a great choice for this type of meal.

How do I store leftover Roasted Onion Salad?

Keep refrigerated in an airtight container and enjoy within 1–2 days for the best freshness. Best served cold — no reheating needed.

Roasted Onion Salad Recipe

Name: Roasted Onion Salad
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 3 large sweet onions, cut into 1/2-inch slices; 1/4 cup plus 1/2 teaspoon olive oil, divided; 4 garlic cloves; 8 cups torn mixed salad greens; 1 cup (4 ounces) crumbled blue cheese; 1/2 cup chopped walnuts, toasted; 2 tablespoons white wine vinegar; 2 shallots, quartered; 1/4 cup minced fresh parsley; 1/2 teaspoon crushed red pepper flakes; 2/3 cup olive oil

Fresh, crisp and full of flavor — this Roasted Onion Salad is a must-try. Made with sweet onions, olive oil, garlic and blue cheese. Easy step-by-step i…

This Roasted Onion Salad relies on simple, everyday ingredients such as garlic cloves, torn mixed salad greens, chopped walnuts, toasted and white wine vinegar. It comes together quickly and makes 4 servings, at about 881 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.

Updated Jun 30, 2026

Serves 4 Salads

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Leave out the nuts to make it nut-free, or swap in seeds for a similar crunch.

No specific allergen information. Please check the ingredient list for possible allergens.

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Roasted Onion Salad

Tips for the best results

Variations & substitutions

My Personal Notes

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