01 -
Preheat the oven to 350°F (175°C). Spray a 9×13 baking dish with non-stick spray to prevent sticking.
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 an additional 30 seconds until fragrant.
03 -
Add ground beef to the skillet with the vegetables. Season with salt and pepper to taste. Cook while breaking up the meat with a spatula until browned, about 7-8 minutes.
04 -
Stir Worcestershire sauce into the beef mixture, coating evenly to enhance flavors.
05 -
Reduce heat to low and add softened cream cheese. Stir until fully melted and evenly coats the mixture, resulting in a creamy texture.
06 -
Transfer the beef and vegetable mixture to the prepared baking dish, spreading it evenly.
07 -
Layer sliced provolone cheese over the mixture, then sprinkle shredded mozzarella cheese evenly on top.
08 -
Bake the casserole in the preheated oven for 20-25 minutes until the cheese is melted, bubbly, and slightly golden.
09 -
Let the casserole rest for 5 minutes before serving to allow the flavors to meld and for easier serving.