Philly Cheesesteak Stuffed Peppers

Bahan-bahan (8 porsi)

• 4 large bell peppers ((can use a mix of green/red/yellow/orange))
• 1½ tablespoons extra virgin olive oil, (divided)
• salt and pepper
• 1 small green bell pepper, (diced)
• ½ cup diced cremini mushrooms
• ½ small white onion, (diced)
• 16 ounces lean ground beef
• 2 large garlic cloves, (minced)
• 2½ tablespoons tomato paste
• 2 tablespoons Worcestershire sauce
• 2 teaspoons Dijon mustard
• ½ cup beef broth
• 1 cup cooked brown rice
• 8 slices Provolone cheese
• 2 tablespoons finely chopped fresh Italian parsley