Philly Cheesesteak Skillet (Low Carb)

Ingredients (13)

• 1.5 pounds skirt or flank steak,
• 2 teaspoons salt
• 1 teaspoon fresh ground black pepper
• 3 tablespoons olive oil,
• 1 small yellow onion,
• 4 cloves garlic,
• 1 green bell pepper,
• 1 orange bell pepper,
• 8 ounces sliced baby portobello mushrooms
• 1 teaspoon Italian Seasoning
• 4 slices provolone cheese
• Sliced green onions,
• Chopped fresh parsley,