Vegetarian Philly Cheese Steak Sandwich

Savor the rich, hearty flavors of a Vegetarian Philly Cheese Steak Sandwich—a plant-based twist on the classic comfort food! This recipe swaps traditional steak for tender, umami-packed Portobello mushrooms, perfectly sautéed with colorful bell peppers and caramelized onions. Seasoned with garlic powder, salt, and black pepper, the veggies are nestled into soft, toasted hoagie rolls spread with a tangy mayonnaise-Dijon mustard blend. Finished with melty provolone cheese, these sandwiches are baked to gooey perfection for an irresistible meal. Ready in just 35 minutes, this vegetarian delight is ideal for a quick weeknight dinner or a satisfying lunch. Perfect for those craving bold flavors without the meat, this sandwich will impress vegetarians and meat-lovers alike!

Nutriscore Rating: 66/100

Prep Time:15 mins

Cook Time:20 mins

Total Time:35 mins

Servings: 4

Ingredients

• 8 oz Portobello mushrooms
• 1 medium Green bell pepper
• 1 medium Red bell pepper
• 1 medium Yellow onion
• 2 tbsp Olive oil
• 1 tsp Garlic powder
• 0.5 tsp Salt
• 0.5 tsp Black pepper
• 4 large Hoagie rolls
• 8 slices Provolone cheese
• 0.25 cup Mayonnaise
• 1 tbsp Dijon mustard

Directions

Step 1

Clean the Portobello mushrooms by wiping them with a damp cloth, then slice them into thin strips.

Step 2

Cut the green bell pepper, red bell pepper, and yellow onion into thin slices.

Step 3

In a large skillet, heat olive oil over medium heat.

Step 4

Add the sliced onions to the skillet and sauté for about 3 minutes until they begin to soften.

Step 5

Add the sliced mushrooms and bell peppers to the skillet and cook for an additional 7 minutes or until the vegetables are tender.

Step 6

Sprinkle the garlic powder, salt, and black pepper over the vegetables and stir well to combine.

Step 7

Preheat the oven to 350°F (175°C).

Step 8

In a small bowl, mix the mayonnaise and Dijon mustard together.

Step 9

Slice the hoagie rolls open, but not all the way through, and spread the mayonnaise mixture on the inside of each roll.

Step 10

Divide the vegetable mixture evenly among the hoagie rolls.

Step 11

Top each sandwich with two slices of provolone cheese.

Step 12

Place the sandwiches on a baking sheet and bake in the preheated oven for 5 minutes or until the cheese is melted and bubbly.

Step 13

Remove from the oven and serve hot.

Nutrition Facts

Serving size	(1294.0g)

Amount per serving	% Daily Value*
Calories	2573.4

Total Fat 148.3g	0%
Saturated Fat 49.1g	0%
Polyunsaturated Fat 2.8g
Cholesterol 218.8mg	0%
Sodium 5287.1mg	0%
Total Carbohydrate 215.2g	0%
Dietary Fiber 20.9g	0%
Total Sugars 31.9g
Protein 97.6g	0%

Vitamin D 0.7IU	0%
Calcium 2177.3mg	0%
Iron 12.8mg	0%
Potassium 2247.8mg	0%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 51.6%

Protein: 15.1%

Carbs: 33.3%