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 Tomato, Gruyere and Red Onion Salad?

You need 7 ingredients. The key ingredients include: 2 beefsteak tomatoes (1 pound), thickly sliced, Salt and freshly ground pepper, 3/4 pound Gruyere cheese, shredded (3 cups), 1/4 cup sunflower or other mild oil, and more.

Is Tomato, Gruyere and Red Onion Salad suitable as salads?

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

How do I store leftover Tomato, Gruyere and Red Onion Salad?

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

Tomato, Gruyere and Red Onion Salad Recipe

Name: Tomato, Gruyere and Red Onion Salad
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 beefsteak tomatoes (1 pound), thickly sliced; Salt and freshly ground pepper; 3/4 pound Gruyere cheese, shredded (3 cups); 1/4 cup sunflower or other mild oil; 2 tablespoons Melfor vinegar (see Note) or apple cider vinegar; 1/4 cup finely chopped red onion; 2 tablespoons chopped flat-leaf parsley

Fresh, crisp and full of flavor — this Tomato, Gruyere and Red Onion Salad is a must-try. Made with beefsteak tomatoes, Salt, Gruyere cheese and sunflow…

This Tomato, Gruyere and Red Onion Salad relies on simple, everyday ingredients such as sunflower or other mild oil, finely chopped red onion and chopped flat-leaf parsley. It comes together quickly and makes 4 servings, at about 449 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

Servings: persons

2 beefsteak tomatoes (1 pound), thickly sliced
Salt and freshly ground pepper
3/4 pound Gruyere cheese, shredded (3 cups)
1/4 cup sunflower or other mild oil
2 tablespoons Melfor vinegar (see Note) or apple cider vinegar
1/4 cup finely chopped red onion
2 tablespoons chopped flat-leaf parsley

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Quick Info

Servings
4 servings
Calories
449 kcal
Category
Salads

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