Use heavy-duty foil and fold edges twice to create an airtight seal that traps steam and prevents leaks, ensuring even cooking and maximum flavor retention throughout the cooking process.

Quickly sear the ground beef in a skillet before adding to packets—this develops a flavorful crust and helps render excess fat, preventing soggy packets and improving overall taste.

Slice baby gold potatoes to ¼-inch thickness rather than halving them; thinner slices cook evenly in the 20-25 minute window without requiring pre-boiling, saving prep time.

Sprinkle French onion soup mix directly on meat and vegetables separately instead of mixing; this creates pockets of intense flavor that distribute evenly as steam circulates during cooking.

Add just 2-3 tablespoons of beef broth or water per packet—too much creates steam-cooked vegetables, while too little causes sticking; the vegetables release their own liquid as they cook.