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 French Onion Chicken Sandwiches?

You need 8 ingredients. The key ingredients include: 1 tablespoon extra virgin olive oil, 1 large white onion, thinly sliced, 1 teaspoon granulated sugar, 2 boneless, skinless chicken breasts, halved crosswise and pounded to 1-inch thickness, if necessary, and more.

Is French Onion Chicken Sandwiches suitable as meat & poultry?

Yes, French Onion Chicken Sandwiches falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover French Onion Chicken Sandwiches?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

French Onion Chicken Sandwiches Recipe

Name: French Onion Chicken Sandwiches
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 tablespoon extra virgin olive oil; 1 large white onion, thinly sliced; 1 teaspoon granulated sugar; 2 boneless, skinless chicken breasts, halved crosswise and pounded to 1-inch thickness, if necessary; Nonstick cooking spray; 4 slices Swiss cheese; 4 hamburger buns; 2 cups baby spinach

Try this homemade French Onion Chicken Sandwiches recipe the whole family will love. Made with extra virgin olive oil, white onion, sugar and chicken br…

This French Onion Chicken Sandwiches relies on simple, everyday ingredients such as extra virgin olive oil, granulated sugar, nonstick cooking spray and swiss cheese. It comes together quickly and makes 4 servings, at about 418 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Meat & Poultry

Servings: persons

1 tablespoon extra virgin olive oil
1 large white onion, thinly sliced
1 teaspoon granulated sugar
2 boneless, skinless chicken breasts, halved crosswise and pounded to 1-inch thickness, if necessary
Nonstick cooking spray
4 slices Swiss cheese
4 hamburger buns
2 cups baby spinach

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Quick Info

Servings
4 servings
Calories
418 kcal
Category
Meat & Poultry

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