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Packed with all the cozy flavors you love about french onion soup, this steak potato french onion soup is a hearty twist on the classic and total comfort food!
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5 from 2 votes

Steak Potato French Onion Soup

Packed with all the cozy flavors you love about french onion soup, this steak potato french onion soup is a hearty twist on the classic and total comfort food!
Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour
Servings 6 servings

Ingredients

  • 4 medium sweet onions, thinly sliced (about 8 cups)
  • 1 tablespoon butter
  • 2 tablespoons olive oil
  • 1 lb beef round steak, thinly sliced
  • 3 cloves garlic, minced
  • 1/4 cup dry Marsala wine
  • 2 medium russet potatoes, peeled and diced into 1/2-in cubes
  • 1 bay leaf
  • 6 cups beef broth
  • 1 teaspoon fresh minced thyme
  • Salt and pepper to taste
  • 6 slices 1-in thick french bread
  • 1 cup shredded Swiss cheese

Instructions

  • In a large saucepan over medium heat, saute onions in butter and olive oil, stirring occasionally until onions are a deep golden brown, about 20 minutes.
  • Remove onions from pan and heat remaining 1 tablespoon olive oil over medium-high heat. Add beef and saute several minutes, stirring occasionally until beef is no longer pink. Add garlic and cook 1 minute until fragrant.
  • Pour wine over beef and use a wooden spoon to scrape up any browned bits on bottom of pan. Add caramelized onions, potatoes, bay leaf, beef broth, and thyme to pan and bring to a simmer over medium-high heat. Reduce heat to medium-low and let simmer covered 20-25 minutes until potatoes are tender, stirring occasionally. Remove bay leaf and season with salt and pepper to taste.
  • Lay french bread in a single layer on a baking sheet and top with shredded swiss cheese. Broil slices under high heat 2-3 minutes until toasted and cheese is melted.
  • Ladle soup into individual serving bowls and top each with a toasted bread slice. Serve immediately and enjoy!