Roasted Seitan with Caramelized Onion and Balsamic Glaze
Prep
20 mins
Cook
35 mins
Servings
4
Difficulty
Medium
This is one of my favorite weeknight dinners because it comes together in just over an hour and tastes like you spent all day cooking. Seitan is such a powerhouse ingredient, packed with protein and perfect for satisfying plant based meals, while the caramelized onions and balsamic glaze create this deep, complex flavor that honestly tastes more impressive than the minimal effort required. The combination of fresh herbs, garlic, and a touch of maple syrup brings everything together into something truly special that'll have everyone asking for seconds.
Ella x
Ingredients
- ½ kgseitan(cut into 4 thick steaks)
- 4 largeyellow onions(sliced into half-moons)
- 3 tablespoonsolive oil
- 237 mlbalsamic vinegar
- 237 mlvegetable broth
- 4garlic cloves(minced)
- 2 sprigsfresh thyme
- 1 sprigrosemary
- 1 teaspoonsea salt
- 1 teaspoonblack pepper
- 1 tablespoonmaple syrup
- 1 teaspoonsmoked paprika
Detail level
Instructions
- 1
Preheat your oven to 400°F. Pat the seitan steaks dry with paper towels and season both sides generously with salt, pepper, and smoked paprika.
Tip: Drying the seitan ensures better browning and a more flavorful crust.
- 2
Heat 1 tablespoon of olive oil in a large oven-safe skillet over medium-high heat. Once shimmering, sear the seitan steaks for 3-4 minutes per side until golden brown. Remove and set aside on a plate.
Tip: Don't move the steaks while searing—let them develop a proper crust for better texture.
- 3
Reduce heat to medium and add the remaining 2 tablespoons of olive oil to the same skillet. Add the sliced onions and cook for 12-15 minutes, stirring occasionally, until deeply caramelized and golden brown.
Tip: Patience is key here; resist the urge to rush the caramelization process for maximum sweetness.
- 4
Add the minced garlic to the onions and cook for 1 minute until fragrant. Deglaze the pan with balsamic vinegar and vegetable broth, scraping up any browned bits from the bottom.
Tip: These browned bits contain concentrated flavor—don't skip this step.
- 5
Stir in the maple syrup and add the fresh thyme and rosemary sprigs. Return the seitan steaks to the skillet, nestling them into the onion mixture.
Tip: Nestle the steaks so they're partially submerged in the glaze for even cooking.
- 6
Transfer the skillet to the preheated oven and roast for 12-15 minutes until the sauce has thickened slightly and the seitan is heated through.
Tip: The sauce will continue to reduce and concentrate in the oven.
- 7
Remove from the oven and let rest for 5 minutes. Discard the herb sprigs and taste for seasoning, adjusting salt and pepper as needed.
Tip: Resting allows the flavors to meld together beautifully.
- 8
Serve each seitan steak topped with caramelized onions and drizzled generously with the balsamic glaze. Pair with roasted vegetables or crusty bread to soak up the sauce.
Tip: This dish pairs beautifully with roasted Brussels sprouts or polenta.
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