In-N-Out Double Double Copycat
Two crispy-edged smashed beef patties, double American cheese, and homemade Thousand Island spread — this In-N-Out Double Double copycat takes 20 minutes and tastes exactly like the original.
Ingredients
- ½ lb fresh 80/20 ground beef divided into 4 x 2 oz portions
- ½ teaspoon salt
- ¼ teaspoon black pepper
- For the spread:
- 3 tablespoons mayonnaise
- 1 tablespoon ketchup
- 1 tablespoon sweet pickle relish
- ½ teaspoon white vinegar
- ¼ teaspoon sugar
- For the burger:
- 2 soft hamburger buns toasted
- 4 slices American cheese
- Crisp iceberg lettuce
- 2 ripe tomato slices
- White onion thinly sliced
- Butter for toasting buns
Instructions
- Make the spread: combine mayo, ketchup, relish, vinegar, sugar. Refrigerate.
- Divide beef into 4 loose 2 oz balls. Season with salt and pepper.
- Butter and toast buns in skillet until golden. Set aside.
- Heat cast iron over high heat 2–3 minutes. Add 2 beef balls. Smash immediately and hold 5 seconds.
- Cook 90 seconds. Flip once. Place cheese slice on each patty. Cook 45 seconds more.
- Build: spread on bottom bun, lettuce, tomato, onion, both patties, spread on top bun. Serve immediately.
Notes
Pan must be very hot before beef goes in — this is what creates the crust.
Smash immediately after placing — you have 2–3 seconds before the beef sets.
Make spread the day before — it improves overnight.
Smash immediately after placing — you have 2–3 seconds before the beef sets.
Make spread the day before — it improves overnight.