In same skillet, add remaining oil and increase to high heat. Add ground beef, breaking up with spoon. Season with smoked paprika, onion powder, salt, and pepper. Cook 8 to 10 minutes until browned. Add garlic and Worcestershire in last 2 minutes.
Reduce to medium-low. Return peppers and onions to skillet with beef. Toss together and cook 2 minutes. Turn off heat and rest 5 minutes to allow moisture to evaporate.
Prepare 4 meal prep containers. Divide cauliflower rice or quinoa evenly (1 cup per container). Top each with equal portions of beef mixture. Place 2 provolone slices on top while warm.
Let cool completely before sealing to prevent condensation. Label with date. Store refrigerated. Reheat 2 to 3 minutes until heated through and cheese melted.
Notes
Storage: Refrigerate 5 days or freeze 2 months. Thaw overnight in fridge.
Meal Prep: Make Sunday for grab-and-go meals all week.
Substitutions: Ground turkey or chicken works (36g protein). Dairy-free cheese or omit (34g protein).
Protein Boost: Top with fried egg for 44g+ total protein.