Flaky French Onion Beef Sausage Rolls

Looking for a comforting yet elegant appetizer that combines rich French flavors with hearty satisfaction? These French Onion Beef Sausage Rolls are the ultimate savory treat. They’re made with juicy beef, sweet caramelized onions, and gooey cheese wrapped in buttery puff pastry, a handheld twist inspired by the beloved French onion soup. Perfect for holiday gatherings, game nights, or cozy dinners, this recipe will make your kitchen smell amazing and your guests come back for seconds.

Why You’ll Love This Recipe

• Irresistible flavor: Deeply caramelized onions bring out sweet, savory richness in every bite.
• Flaky perfection: Buttery puff pastry delivers that crisp, melt-in-your-mouth texture.
• Easy to make: Simple ingredients with big payoff, ideal for beginners and pros alike.
• Versatile: Serve as appetizers, snacks, or even a light meal.
• Freezer-friendly: Great for meal prep or unexpected guests.

Ingredients

For the Filling

• 1 tablespoon olive oil
• 2 large yellow onions, thinly sliced
• 1 teaspoon sugar
• 1 teaspoon salt
• 1 pound ground beef
• 1 teaspoon garlic powder
• 1 teaspoon dried thyme
• 1 tablespoon Worcestershire sauce
• 1 tablespoon Dijon mustard
• ½ cup shredded Gruyère or mozzarella cheese
• Freshly ground black pepper, to taste

For Assembly

• 2 sheets puff pastry, thawed
• 1 egg, beaten (for egg wash)
• Sesame seeds or dried herbs (optional, for topping)

Step-by-Step Instructions

1. Caramelize the onions: Heat olive oil in a skillet over medium heat. Add sliced onions and sugar, stirring occasionally for 20–25 minutes until deep golden brown. Add salt and let cool slightly.
2. Prepare the filling: In a large bowl, combine ground beef, caramelized onions, garlic powder, thyme, Worcestershire sauce, mustard, cheese, and pepper. Mix until evenly blended.
3. Assemble the rolls: Roll out puff pastry sheets and cut each into rectangles. Spoon the beef mixture along one long edge of each rectangle. Roll tightly and seal the seam by pressing with a fork.
4. Brush and bake: Place the rolls seam-side down on a parchment-lined baking sheet. Brush tops with beaten egg and sprinkle sesame seeds if desired.
5. Bake until golden: Bake at 400°F (200°C) for 20–25 minutes or until puffed and golden brown.
6. Cool and serve: Let rest for 5 minutes before slicing into smaller rolls. Serve warm with dipping sauce or a fresh salad.

Tips & Variations

• Make it cheesy: Add an extra sprinkle of cheese before rolling for a richer flavor.
• Go vegetarian: Substitute the beef with finely chopped mushrooms and lentils.
• Add depth: A splash of balsamic vinegar enhances the onion sweetness.
• Mini rolls: Cut smaller pieces before baking for bite-sized party appetizers.
• Make ahead: Assemble the rolls and refrigerate up to 24 hours before baking.

Storage & Freezer Instructions

• Refrigerate: Store leftovers in an airtight container for up to 3 days. Reheat in the oven at 350°F for 10 minutes to keep the pastry crisp.
• Freeze: Freeze unbaked rolls on a tray, then transfer to a freezer bag for up to 2 months. Bake from frozen, adding 5–7 minutes to the cooking time.

Serving & Pairing Ideas

Serve these French Onion Beef Sausage Rolls warm with:

• A side of caramelized onion dip or Dijon mustard sauce
• A fresh green salad or roasted vegetables
• Warm broth or soup for a cozy meal
• A refreshing iced tea or sparkling water with lemon for balance

Frequently Asked Questions

Can I use store-bought puff pastry?

Absolutely! Store-bought puff pastry is perfect for this recipe. Just make sure it’s fully thawed and slightly chilled before rolling to prevent cracking or tearing.

How can I prevent soggy pastry bottoms?

Cool the filling before assembling, and bake the rolls on parchment paper to keep the bottoms crisp and flaky.

What’s the best cheese to use?

Gruyère gives authentic French onion flavor, but mozzarella or Swiss also melt beautifully.

Can I make these ahead of time?

Yes! You can prepare and refrigerate unbaked rolls up to 24 hours in advance, or freeze them for later. Bake straight from the fridge or freezer when needed.

Ready to Make It?

These French Onion Beef Sausage Rolls are everything you want in a cozy, savory bake, flaky, flavorful, and fuss-free. Whether you’re hosting friends, meal prepping, or simply craving something comforting, this recipe is sure to impress. Save it on Pinterest or bookmark it for your next gathering!

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