Step 1
Heat olive oil in a skillet.
Step 2
Cook onions until caramelized.
Step 3
Add beef and cook until browned.
Step 4
Slice open the croissants.
Step 5
Fill with the beef and onions.
Step 6
Top with cheese and bake for 5–7 minutes until melted.
Step 7
Serve immediately.
Pair these stuffed croissants with a fresh salad, crispy fries, fruit, or a hot bowl of soup for a complete meal. Enjoy!