Vegan Philly Cheesesteak
Few sandwiches hit as hard as a Philly cheesesteak, and this plant-based version absolutely delivers on that messy, savory, deeply satisfying promise. Thinly sliced seitan gets seared in a screaming-hot cast iron skillet until the edges are properly browned, while portobello mushrooms add an earthy, meaty depth that makes the filling feel genuinely substantial. Caramelized onion and green bell pepper round everything out, and a splash of vegan Worcestershire sauce plus smoked paprika layers in that smoky, umami-rich backbone you'd expect from the real thing. The whole skillet goes onto hoagie rolls topped with melty vegan provolone or mozzarella-style cheese, then straight under the broiler until the edges of the bread are golden and the cheese is perfectly gooey. It comes together in one pan with straightforward technique — no specialty equipment, no complicated steps — and makes four generous sandwiches that are genuinely hard to put down. This is the kind of recipe that converts skeptics at the dinner table.
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Learn more →Ingredients
4 servings
For the filling
- 2 tbsp olive oil, divided
- 8 oz seitan, very thinly sliced
- 8 oz portobello mushrooms, stems removed, very thinly sliced
- 1 medium yellow onion, halved and very thinly sliced
- 1 green bell pepper, very thinly sliced
- ½ tsp kosher salt, plus more to taste
- ¼ tsp black pepper, plus more to taste
- 1 tbsp vegan worcestershire sauce
- 1 tsp soy sauce
- ½ tsp smoked paprika
For serving
- 4 hoagie rolls, split lengthwise
- 4 oz vegan cheese, provolone or mozzarella style, thinly sliced
Chef's tipUse it on pizza or in baked dishes where it melts, rather than eaten fresh.
Instructions
- 1
Preheat the broiler to high and position a rack 6 inches from the element.
- 2
Heat 1 tbsp of the olive oil in a large (12-inch) cast iron skillet over medium-high heat until shimmering. Add the onion and bell pepper with a pinch of salt and cook, stirring occasionally, until softened and the edges are lightly browned, about 7–8 minutes. Transfer to a plate and set aside.
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