French Onion Patty Melt

French Onion Patty Melt is the ultimate comfort food that combines savory flavors and satisfying textures. This sandwich features rich caramelized onions, melty Gruyere cheese, and juicy beef patties, making it perfect for any occasion, from casual family dinners to game day gatherings. Its unique blend of French onion soup elements and hearty sandwich characteristics will surely impress your guests and satisfy your cravings.

Why You’ll Love This Recipe

  • Irresistible Flavor: The combination of caramelized onions and Gruyere cheese creates a rich, savory taste that elevates this sandwich.
  • Easy to Make: With straightforward steps, you can whip up this delicious dish in under an hour.
  • Versatile Meal: Perfect for lunch or dinner, this hearty sandwich suits various occasions and can be paired with salads or fries.
  • Satisfying Ingredients: The double beef patties ensure that this meal is filling and comforting.
  • Crowd-pleaser: Whether you’re serving family or friends, everyone will love the gooey melted cheese and flavorful onions.

Tools and Preparation

To make your French Onion Patty Melt experience seamless, gather these essential kitchen tools.

Essential Kitchen Tools

  • Skillet
  • Mixing bowl
  • Whisk
  • Spatula
  • Knife
  • Cutting board

Why These Tools Matter

  • Skillet: A good skillet allows for even cooking and browning of the patties and onions.
  • Mixing bowl: Essential for combining ingredients without mess.
  • Whisk: Perfect for blending the aioli ingredients smoothly.
  • Spatula: Helps flip the patties without breaking them apart.

Ingredients

Epic patty melt with caramelized onions, Gruyere cheese, and two beef patties. French onion soup meets comfort sandwich!

For the Caramelized Onions

  • 3 tablespoons butter
  • 3 large yellow onions, thinly sliced

For the Beef Patties

  • 2 pounds ground beef (80/20 blend)
  • 1 tablespoon ketchup
  • ½ teaspoon garlic powder
  • 1 teaspoon kosher salt
  • ½ teaspoon black pepper

For Assembly

  • 2 cups Gruyere cheese, freshly shredded
  • 12 slices thick Texas toast bread
  • 8 teaspoons mayonnaise (for grilling)

For the Aioli Spread

  • ⅓ cup mayonnaise
  • 1 tablespoon fresh lemon juice
  • 1 teaspoon black pepper
  • 1 tablespoon fresh garlic, minced (about 3 cloves)
  • 1 teaspoon fresh parsley, chopped
  • 1 tablespoon ketchup
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How to Make French Onion Patty Melt

Step 1: Caramelize the Onions

Melt butter in a medium skillet over medium-low heat. Add sliced onions and cook slowly for 15-20 minutes. Stir frequently until they are deep golden brown and caramelized. If they start to stick or burn, add a splash of water. Remove from heat and cover to keep warm.

Step 2: Prepare the Beef Patties

In a large mixing bowl, gently mix ground beef with ketchup, garlic powder, salt, and pepper. Form this mixture into 8 thin square patties that are slightly larger than your bread slices and about ¼ inch thick. Be careful not to overwork the meat.

Step 3: Cook the Beef Patties

Wipe out the skillet used for onions and heat it over medium-high heat. Cook the patties in batches of 2-3 for 1-2 minutes per side until just cooked through. They will continue cooking when grilling the sandwich so avoid overcooking. Set them aside on a plate.

Step 4: Toast the Bread & Make Aioli

Toast 4 slices of Texas toast until golden brown. In a small bowl, whisk together mayonnaise, lemon juice, pepper, minced garlic, parsley, and ketchup to create your aioli spread.

Step 5: Assemble Your Sandwiches

On each untoasted slice of bread layer:
– ½ cup cheese,
– one beef patty,
– caramelized onions,
– aioli spread on both sides of another slice,
– more cheese,
– second beef patty,
– more onions,
– top with final slice of bread.

These sandwiches will be towering!

Step 6: Grill Sandwiches

Spread 1 teaspoon mayo on top of each assembled sandwich. Heat your skillet over medium heat and place sandwiches mayo-side down. Use a heavy pan on top to compress them while cooking. Cook for about 3 minutes until golden brown. Remove weight, spread mayo on the new top side, flip carefully, and cook for an additional 3 minutes.

Step 7: Serve & Enjoy

Remove from heat and let rest for about a minute before cutting. If needed, use toothpicks to hold them together. Cut diagonally and serve while the cheese is still melted and gooey!

How to Serve French Onion Patty Melt

The French Onion Patty Melt is a hearty delight that can be served in various ways to enhance your dining experience. Whether you’re hosting a casual get-together or enjoying a cozy night in, here are some suggestions to elevate this comforting sandwich.

Classic Side Pairings

  • French Fries: Crispy and golden, these fries make for a classic pairing with the savory flavors of the patty melt.
  • Onion Rings: Crunchy and flavorful, onion rings add an extra layer of texture that complements the caramelized onions in your sandwich.
  • Pickles: A side of tangy pickles adds a refreshing contrast to the richness of the melt.

Garnishes and Extras

  • Sliced Avocado: Creamy avocado slices can enhance the sandwich’s flavor while adding healthy fats.
  • Fresh Salad: A light mixed green salad dressed with lemon vinaigrette balances the meal and adds freshness.
  • Coleslaw: The crunch and acidity of coleslaw provide a nice counterpoint to the rich flavors of the patty melt.

How to Perfect French Onion Patty Melt

Creating a flawless French Onion Patty Melt requires attention to detail. Here are some tips to help you achieve perfection.

  • Boldly Caramelize Onions: Take your time cooking onions slowly for maximum sweetness and depth of flavor.
  • Choose Quality Cheese: Using freshly shredded Gruyere cheese will ensure it melts beautifully and enhances the overall taste.
  • Avoid Overcooking Patties: Cook patties until just done; they’ll continue cooking when grilled in the sandwich for ideal juiciness.
  • Use Thick Bread: Texas toast holds up well against juicy fillings and prevents sogginess.
  • Spread Aioli Generously: A good layer of aioli on both sides of the bread elevates flavor and adds moisture.
  • Press When Grilling: Using a heavy pan while grilling ensures even cooking and helps achieve that perfect crispy crust.
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Best Side Dishes for French Onion Patty Melt

Pairing your French Onion Patty Melt with the right side dishes can elevate your meal. Here are some delightful options that complement this comfort food masterpiece.

  1. Sweet Potato Fries: These offer a hint of sweetness that pairs well with savory flavors.
  2. Caesar Salad: Crisp romaine lettuce and creamy dressing create a fresh balance alongside the rich patty melt.
  3. Roasted Vegetables: Colorful seasonal veggies provide nutrients and flavor without overpowering the main dish.
  4. Potato Wedges: Crispy potato wedges seasoned with herbs make for an excellent crunchy companion.
  5. Chips and Salsa: A bowl of tortilla chips with fresh salsa adds a fun, crunchy element to your meal.
  6. Macaroni Salad: Creamy pasta salad brings comfort food vibes that match well with the patty melt’s richness.

Common Mistakes to Avoid

Cooking a French Onion Patty Melt can be a delightful experience, but there are common pitfalls to watch out for.

  • Bold Preparation: Not properly preparing ingredients can lead to uneven cooking. Always slice onions and form patties beforehand for a smoother cooking process.
  • Bold Overcooking the Onions: Caramelizing onions too quickly can result in bitterness. Cook them over low heat and give them time to develop that sweet flavor.
  • Bold Skipping the Aioli: Omitting the aioli can make your sandwich dry. This spread adds moisture and flavor, ensuring a juicy bite.
  • Bold Using Thin Patties: Making patties too thin may cause them to dry out during cooking. Aim for a thickness of about ¼ inch for optimal juiciness.
  • Bold Forgetting to Toast Bread: Failing to toast the bread can lead to a soggy sandwich. Toasting adds texture and helps hold everything together.

Refrigerator Storage

  • Store leftovers in an airtight container.
  • Consume within 3-4 days for best freshness.

Freezing French Onion Patty Melt

  • Wrap sandwiches tightly in plastic wrap or aluminum foil.
  • Freeze for up to 2 months for optimal flavor.

Reheating French Onion Patty Melt

  • Oven: Preheat the oven to 350°F (175°C). Place sandwiches on a baking sheet and heat for about 10-15 minutes until warmed through.
  • Microwave: Heat on medium power for 1-2 minutes. Cover with a damp paper towel to retain moisture.
  • Stovetop: Heat in a skillet over medium heat for about 3-4 minutes per side, pressing down slightly to ensure even warming.
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Frequently Asked Questions

What is a French Onion Patty Melt?

A French Onion Patty Melt combines savory beef patties with caramelized onions and Gruyere cheese, all sandwiched between toasted bread.

How do I achieve perfect caramelized onions?

Cook onions slowly over low heat, stirring frequently. Adding a splash of water when needed prevents sticking and enhances sweetness.

Can I customize my French Onion Patty Melt?

Absolutely! Feel free to add different cheeses, incorporate herbs, or even swap the beef with chicken or turkey based on your preference.

How do I keep my sandwiches from getting soggy?

To prevent sogginess, ensure you toast your bread before assembling the sandwich and use the aioli sparingly.

Can I make this recipe ahead of time?

Yes! You can prepare the caramelized onions and beef patties ahead of time. Assemble sandwiches when ready to serve.

Conclusion

This French Onion Patty Melt is not only rich in flavor but also adaptable to suit your taste preferences. Whether you stick with classic ingredients or experiment with variations, this comfort food sandwich is sure to impress anyone at your table. Give it a try and enjoy each gooey bite!

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French Onion Patty Melt

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Indulge in the flavors of a classic French Onion Patty Melt, a comforting sandwich that combines juicy beef patties, rich caramelized onions, and gooey Gruyere cheese all nestled between perfectly toasted Texas toast. This delightful dish is perfect for any occasion—whether you’re enjoying a cozy night in or hosting friends. The careful layering of savory ingredients creates a satisfying meal that will impress your guests and satisfy your cravings. Easy to prepare in under an hour, this recipe makes it simple to whip up a delicious feast that everyone will love.

  • Author: Amanda
  • Prep Time: 20 minutes
  • Cook Time: 30 minutes
  • Total Time: 50 minutes
  • Yield: Serves 6 sandwiches 1x
  • Category: Main
  • Method: Grilling
  • Cuisine: American

Ingredients

Scale
  • 2 pounds ground beef
  • 3 large yellow onions, thinly sliced
  • 2 cups Gruyere cheese, freshly shredded
  • 12 slices thick Texas toast bread
  • 8 teaspoons mayonnaise (for grilling)
  • ⅓ cup mayonnaise (for aioli)
  • 1 tablespoon fresh lemon juice
  • 1 teaspoon black pepper
  • 1 tablespoon fresh garlic, minced (about 3 cloves)
  • 1 teaspoon fresh parsley, chopped
  • 1 tablespoon ketchup
  • 1 tablespoon ketchup (for beef patties)
  • ½ teaspoon garlic powder
  • 1 teaspoon kosher salt
  • ½ teaspoon black pepper
  • 3 tablespoons butter

Instructions

  1. Caramelize the onions by cooking sliced yellow onions with butter in a skillet over medium-low heat for 15-20 minutes until golden brown.
  2. In a mixing bowl, blend ground beef with ketchup, garlic powder, kosher salt, and black pepper. Form into eight thin patties.
  3. Cook the patties in the same skillet over medium-high heat for 1-2 minutes per side until just cooked through.
  4. Toast four slices of Texas toast until golden brown. Meanwhile, whisk together mayonnaise, lemon juice, black pepper, minced garlic, parsley, and ketchup to make the aioli.
  5. Assemble the sandwiches with layers of cheese, beef patties, caramelized onions, and aioli on untoasted slices of bread.
  6. Grill the assembled sandwiches in the skillet until golden brown on both sides.

Nutrition

  • Serving Size: 1 sandwich (240g)
  • Calories: 650
  • Sugar: 5g
  • Sodium: 950mg
  • Fat: 36g
  • Saturated Fat: 14g
  • Unsaturated Fat: 18g
  • Trans Fat: 0g
  • Carbohydrates: 42g
  • Fiber: 2g
  • Protein: 38g
  • Cholesterol: 120mg

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