Layer onions and these 2 ingredients with steak for a baked dish you’ll never get tired of

Step 2: Season the Onions
In a bowl, toss the sliced onions with the olive oil (or melted butter) and half of the salt and pepper until evenly coated.

Step 3: Season the Steak
Divide the steak into four portions. Pat dry with paper towels, then season both sides with the remaining salt and pepper.

Step 4: Assemble the Foil Packets