Philly Cheesesteak Recipe With Caramelized Veggies — Eat This Not That

Ingredients

• 1 lb skirt or flank steak
• 1⁄2 Tbsp canola or peanut oil
• plus more if needed
• 1 large yellow onion
• diced
• 1 medium green bell pepper
• 2 cups sliced mushrooms
• Salt and black pepper to taste
• 4 slices provolone
• 4 whole-wheat hoagie rolls
• lightly toasted