Air Fryer Meatloaf

Ingredients (9)

• + 1 pound lean ground beef add to pantry
• + 1 large egg, lightly beaten add to pantry
• + 3 tablespoons dry bread crumbs add to pantry
• + 1 small onion, finely chopped add to pantry
• + 1 tablespoon chopped fresh thyme add to pantry
• + 1 teaspoon salt add to pantry
• + ground black pepper to taste add to pantry
• ✓ 2 mushrooms, thickly sliced
• ✓ 1 tablespoon olive oil, or as needed