If you love meals that feel hearty, satisfying, and almost effortless, Oven-Baked Steak and Onion Foil Packets deserve a spot in your recipe rotation. This is comfort food with a clever twist: juicy steak, tender onions, and bold seasoning sealed inside foil, letting everything cook together in its own flavorful steam. No splatter, no complicated cleanup—just rich, beefy goodness straight from the oven.
This recipe is perfect for busy nights, cozy weekends, or anytime you want a steak dinner without firing up the grill.
Why Steak and Onion Foil Packets Are So Good
Foil-packet cooking locks in moisture and concentrates flavor. As the steak cooks, its juices mingle with the onions, seasoning them into soft, caramel-like strands that soak up every bit of savory goodness. The result is meat that’s tender, onions that melt in your mouth, and a sauce you’ll want to spoon over everything.
It’s also incredibly forgiving. Whether you’re using sirloin, flank steak, or ribeye, the foil does most of the work for you.
Oven-Baked Steak and Onion Foil Packets Recipe
Ingredients
1½ pounds steak (sirloin, ribeye, or flank), sliced into strips
2 large onions, thinly sliced
2 tablespoons olive oil or melted butter
2 cloves garlic, minced
1 teaspoon salt
½ teaspoon black pepper
1 teaspoon paprika
½ teaspoon dried thyme or rosemary
Optional: sliced mushrooms, bell peppers, or a splash of Worcestershire sauce