Try this homemade Copycat In-N-Out Burger recipe the whole family will love. Made with Vegetable Oil, Onions, Water and Mayonnaise. Easy step-by-step in…
This Copycat In-N-Out Burger relies on simple, everyday ingredients such as whole onions, finely chopped, water, mayonnaise and ketchup. It comes together quickly and makes 4 servings, at about 780 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026