Hobo Dinner Foil Packets (Hamburger & Potato)

Bahan-bahan (4 porsi)

• 1 pound lean ground beef
• 1 (1 ounce) packet dry onion soup mix
• 4 small potatoes (peeled and sliced)
• 2 cups diced carrot
• 1 large onion (or 2 small onions, sliced)
• 2 tablespoons olive oil
• 1 teaspoon garlic powder
• salt and black pepper (to taste)
• 1 (10.5 ounce) can condensed cream of mushroom soup