Here’s your Golden and Savory French Onion Sausage Rolls recipe in full detail — rich, buttery puff pastry wrapped around sausage filling infused with caramelized onions and gooey cheese.
Golden and Savory French Onion Sausage Rolls
Ingredients (Makes 12–16 rolls)
For the caramelized onions:
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2 large yellow onions, thinly sliced
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2 tbsp butter
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1 tbsp olive oil
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1 tsp sugar (optional, for faster caramelizing)
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1 tsp balsamic vinegar (optional, for depth)
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Pinch of salt
For the filling:
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500g (1 lb) pork sausage meat (or remove casings from sausages)
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1 tsp fresh thyme leaves (or ½ tsp dried)
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1 tsp garlic powder
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½ tsp black pepper
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½ cup (50g) grated Gruyère or Swiss cheese (or cheddar for a bolder flavor)
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Caramelized onions from above
For assembly:
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2 sheets puff pastry, thawed (about 250–300g each)
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1 egg, beaten (for egg wash)
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1 tsp sesame seeds or poppy seeds (optional)
Instructions
1. Caramelize the onions
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Heat butter and olive oil in a large pan over medium-low heat.
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Add sliced onions and a pinch of salt, stirring to coat.
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Cook slowly for 20–25 minutes, stirring occasionally, until soft and golden brown.
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Add sugar halfway through if you want to speed up the process.
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Stir in balsamic vinegar in the last minute for extra depth.
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Set aside to cool.
2. Prepare the filling
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In a mixing bowl, combine sausage meat, thyme, garlic powder, black pepper, grated cheese, and cooled caramelized onions.
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Mix well until fully combined.
3. Assemble the sausage rolls
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Preheat oven to 200°C (400°F) and line a baking tray with parchment paper.
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Roll out puff pastry sheets slightly to smooth edges.
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Divide each sheet in half lengthwise so you have 4 long strips.
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Place a log of sausage filling down the center of each strip.
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Fold pastry over the filling, pressing edges together. Seal with a fork.
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Brush the top with beaten egg and sprinkle with sesame or poppy seeds.
4. Bake
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Slice logs into 3–4 pieces each (depending on desired size).
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Place seam-side down on baking tray.
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Bake for 22–25 minutes, or until golden brown and puffed.
5. Serve
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Best served warm, with Dijon mustard or a tangy chutney on the side.
Tip: You can make them ahead, freeze unbaked, and bake straight from frozen — just add 5 extra minutes to baking time.