01 -
Preheat oven to 350°F (175°C). Spray a 9×13 baking dish with non-stick spray.
02 -
Heat olive oil in a large skillet over medium heat. Add diced onions and bell peppers, cooking for 5-6 minutes until softened. Add minced garlic and cook for another 30 seconds until fragrant.
03 -
Add ground beef to the skillet with the vegetables. Season with salt and pepper. Cook while breaking up the meat until completely browned, about 7-8 minutes.
04 -
Stir in Worcestershire sauce, coating the meat mixture thoroughly.
05 -
Reduce heat to low. Add softened cream cheese to the skillet, stirring until completely melted and evenly distributed throughout the mixture.
06 -
Transfer the mixture to the prepared baking dish, spreading it evenly.
07 -
Layer sliced provolone cheese over the beef mixture, then sprinkle shredded mozzarella cheese evenly on top.
08 -
Place in the preheated oven and bake for 20-25 minutes, until cheese is melted, bubbly, and slightly golden.
09 -
Allow casserole to rest for 5 minutes before serving to help flavors meld and make serving easier.