Philly Cheese Steak Casserole

Ingredients

• 1 lb ground beef or shaved steak
• 1 tbsp olive oil
• 1 medium onion, diced
• 1 green bell pepper, diced
• 1 red bell pepper, diced
• 2 cloves garlic, minced
• 1 tsp salt
• ½ tsp black pepper
• 1 tsp Italian seasoning
• 1 tbsp Worcestershire sauce
• 1 cup mushrooms, sliced
• 4 oz cream cheese, softened
• ½ cup sour cream
• ½ cup mayonnaise
• 1 cup shredded provolone cheese
• ½ cup shredded cheddar cheese
• 1 cup shredded provolone or mozzarella
• Optional: crushed croutons or toasted hoagie bread chunks for a crunchy topping