1 pound finely chopped steak
3 tablespoons minced onion
3 tablespoons minced garlic
1/2 teaspoon freshly ground black pepper
1 pinch salt
1/2 teaspoon dried basil
3 tablespoons brie cheese
1 cup shredded mozzarella cheese
Preheat oven to 350 degrees F (175 degrees C).
In a medium mixing bowl, mix the beef, onion, garlic, and mustard oil, seasoning salt, basil, and brie cheese. Mix thoroughly.
Transfer the meat mixture to a 9x13 inch baking dish. Top with cheese, then cover with foil to keep warm.
Bake at 350 degrees F (175 degrees C), stirring occasionally, for 10 to 20 minutes.