Shrimp Stuffed Portabella Mushrooms

INGREDIENTS

• 5 large portabella mushrooms
• 1/2 lb raw shrimp (cleaned and roughly chopped)
• 1 cup seasoned bread crumbs
• 3 tablespoons cream cheese (softened)
• 1 red bell pepper (finely diced)
• 1 onion (finely diced)
• 1/2 cup butter
• 1/2 cup shredded parmesan cheese
• 1 cup shredded cheddar cheese, divided into two half cups
• 1 teaspoon Old Bay Seasoning
• 1/2 teaspoon salt
• 1/2 teaspoon ground pepper
• 1/2 teaspoon garlic powder
• nonstick cooking spray