Spray large nonstick skillet with cooking spray. add ground beef, pepper, onion powder, and garlic powder and cook stirring over medium heat until beef is cooked through. add sauce, cook stirring frequently until meat mix is heated through. scoop out centers of tops and bottoms of buns. divide sloppy joe mix among bun bottoms. replace tops. wrap indivdual sandwiches in foil. preheat oven to 350. bake sandwiches 15-20 minutes. sandwiches can be wrapped and stored in freezer bags before baking. bake directly from freezer at 350 for 30-40 minutes.