This Philly Chicken Sandwich is a hearty, restaurant-style sandwich filled with seasoned chicken, bell peppers, onions, mushrooms, and plenty of flavor from Worcestershire sauce, garlic, and black pepper.
The chicken filling is cooked until nicely browned and slightly caramelized, then layered onto toasted bread with optional cheese and lettuce. It makes a filling lunch or casual dinner and pairs well with fries, chips, or onion rings.
Philly Chicken Sandwich
Recipe Details
Sandwich / Main Dish
American-Inspired
Sashi
10 minutes
30 minutes
40 minutes
2
Ingredients
For the Chicken Filling
- Chicken breast – 1 lb, cut into small pieces
- Olive oil – 2 tbsp, preferably extra virgin
- Butter – 1 tbsp
- Freshly ground black pepper – 1 1/2 tsp
- Green bell peppers – 2, thinly sliced
- Worcestershire sauce – 1–2 tbsp, or to taste
- Onion – 1 medium, half diced and half sliced
- Mushrooms – 2 cups, sliced
- Garlic – 2 cloves, finely minced
- Crushed red pepper – to taste
- Cayenne pepper powder – 2 tsp, or to taste
- Salt – to taste
Alternatively, use about 1 tsp Indian red chili powder in place of the crushed red pepper and cayenne pepper.
For the Sandwiches
- Sandwich buns or rolls – 4
- Cheese – 8 slices, preferably Swiss (optional)
- Lettuce – 4 leaves, chopped (optional)
- Butter – as needed, for toasting the bread
Preparation
- Cut the chicken breast into small, bite-sized pieces and pat dry.
- Slice half of the onion and dice the remaining half.
- Thinly slice the mushrooms and green bell peppers.
- Finely mince the garlic.
- Chop the lettuce, if using, and keep the sandwich ingredients ready.
Cooking Instructions
- Heat the olive oil and 1 tablespoon butter in a wide pan over medium-high heat.
- Add the chicken, freshly ground black pepper, bell peppers, and Worcestershire sauce.
- Cook over medium heat, stirring occasionally.
- Add the sliced mushrooms and both the sliced and diced onion.
- Cook for about 3 minutes, stirring occasionally.
- Add the minced garlic, crushed red pepper, and salt.
- Add the cayenne pepper, if using, and mix well.
- Continue cooking until the liquid released by the chicken and vegetables has mostly evaporated and the chicken is fully cooked through.
- Allow the mixture to cook without constant stirring so the chicken, onions, and vegetables can develop some browning and caramelization.
- Cook for another few minutes as needed until the filling is moist but not watery. Remove from the heat.
Assemble the Sandwiches
- Slice the sandwich buns or rolls if necessary.
- Lightly butter the cut sides of the bread.
- Toast in a pan until lightly golden.
- If using cheese, place 1 slice on the bottom half of each toasted bun.
- Add a generous portion of the warm chicken filling.
- Top with chopped lettuce, if desired.
- Add another slice of cheese on top, if using.
- Close the sandwich and serve immediately.
Tips
Worcestershire Sauce: Start with a smaller amount and add more according to taste. Too much can overpower the chicken and make the filling excessively salty or wet.
Caramelization: Avoid stirring continuously once most of the moisture has evaporated. Giving the chicken and vegetables some contact with the hot pan helps them develop deeper flavor and browning.
Spice Level: Adjust the crushed red pepper and cayenne according to your preference. If using Indian red chili powder instead, the cayenne can be omitted.
Keep the Filling Dry: Let excess liquid evaporate before assembling the sandwiches so the toasted bread does not become soggy.
Cheese: Swiss cheese works well, but another melting cheese can also be used according to your preference.
Serving Suggestion
Serve Philly Chicken Sandwiches hot with French fries, potato chips, onion rings, or a simple salad.
Recipe Source: Adapted from a recipe shared on Hardware Forums.






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