French Onion Soup with Cheesy Roast Beef Sandwiches

healthy cheesy toasted warm rich

5 from 1 reviews

 A healthy and delicious french onion soup served with a toasted, cheesy roast beef sandwich! It doesn’t get any better than that!



French Onion Soup

  • 1 tbsp canola oil
  • 3 medium onions, thinly sliced
  • 2 tsp sugar
  • 3 garlic cloves, minced
  • 2 tbsp balsamic vinegar
  • 4 cups beef broth, low sodium
  • 2 tsp Worcestershire sauce
  • salt and pepper

Roast Beef Sandwiches

  • 4 burger buns, whole-grain*
  • 16 ounces roast beef, thinly sliced
  • 1/2 cup cheddar cheese**, shredded
  • parsley, roughly chopped


  1. Heat oil in a large pot over medium heat. Add the onions and sugar and cook 25 minutes, until golden.

  2. Next, add the garlic and cook two minutes more. Then add the balsamic and cook an additional minute. Finally, add the broth and Worcestershire. Bring to a boil, reduce to a simmer, cover and cook 15 min.

  3. To make the sandwiches, set oven to broil and line a baking sheet. Cut burger buns in half and top with 4 ounces roast beef and some of the shredded cheese. Place under broiler until melted. Garnish with parsley and serve with a cup of your French onion soup!


*To make this dish gluten-free, use gluten-free burger buns

**To make this dish dairy-free, try using a cheese alternative like soy or almond cheese.