Description

French onion steak sandwich combines tender, thinly sliced steak with caramelized onions, melted cheese, and toasted bread. Perfect for a hearty lunch or dinner, this recipe delivers gourmet flavors in every bite.

Ingredients

For the Steak

• 1 pound steak (ribeye, sirloin, or New York strip), thinly sliced
• Salt and pepper to taste
• 2 tablespoons olive oil

For the Caramelized Onions

• 2 tablespoons butter
• 2 large onions, thinly sliced
• ¼ cup beef broth
• 1 teaspoon Worcestershire sauce
• ½ teaspoon thyme (optional)
• Salt and pepper to taste

For the Sandwich

• 4 baguettes or hoagie rolls, sliced open
• 4–8 slices Gruyère or Swiss cheese
• Optional spreads: mayonnaise or horseradish sauce
• Optional toppings: arugula or spinach

Instructions

Step 1: Cook the Steak

1. Season thinly sliced steak with salt and pepper.
2. Heat olive oil in a skillet over medium-high heat.
3. Sear steak slices in batches for 2–3 minutes per side until browned. Set aside.

Step 2: Caramelize the Onions

1. Melt butter in the same skillet over medium heat. Add sliced onions.
2. Cook for 10–15 minutes, stirring occasionally, until golden and caramelized.
3. Add beef broth and Worcestershire sauce, scraping up browned bits from the skillet. Stir in thyme (optional). Season with salt and pepper to taste.

Step 3: Assemble the Sandwiches

1. Lightly toast baguettes or rolls under the broiler for 1–2 minutes.
2. Spread mayonnaise or horseradish sauce on the bread if desired.
3. Layer caramelized onions, cooked steak slices, and cheese.
4. Return to the broiler for 2–3 minutes until cheese melts.

Step 4: Serve

• Close the sandwiches, slice if needed, and serve hot.