Shack-Style Burger With Grilled Onions And Creamy Sauce | CookOS

Shack-Style Burger With Grilled Onions And Creamy Sauce

Name: Shack-Style Burger With Grilled Onions And Creamy Sauce
Prep time: 5 min
Cook time: 10 min
Total time: 15 min
Yield: 2 servings
Cuisine: American
Ingredients: 1 lb ground beef (80/20); black pepper, to taste; salt, to taste; 1 medium white onion; 4 slices American cheese; 2 burger buns; 1/4 cup mayonnaise; 2 tbsp ketchup; 1 tsp Dijon mustard; 1/4 tsp paprika; 1/4 tsp garlic powder

This Shack-Style Burger features ultra-thin seared ground beef patties topped with melted American cheese, caramelized grilled onions, and a house-made creamy sauce that delivers restaurant quality in your home kitchen.

🌍American 🏷️Shack burger 🏷️Smash burger 🏷️Burger 🏷️Cheeseburger Comfort-food

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Total

15 min

Servings

Difficulty

Easy

Est. Cost

$22–$36

Recipe Source

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Ingredients

1 lb ground beef (80/20)
black pepper, to taste
salt, to taste
1 medium white onion
4 slices American cheese
2 burger buns
1/4 cup mayonnaise
2 tbsp ketchup
1 tsp Dijon mustard
1/4 tsp paprika
1/4 tsp garlic powder

11 Ingredients

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Instructions

1
Season the ground beef patties generously with freshly ground black pepper and salt.
2
In a hot cast iron skillet with a little oil, add the thick onion slices and cook until softened and lightly caramelized.
3
Remove the onions and add the burger patties to the hot skillet. Cook for 2-3 minutes per side for a good sear.
4
Flip the patties and immediately top each with a slice of American cheese to melt.
5
Remove the cheeseburger patties and toast the burger buns cut-side down in the remaining beef fat in the skillet until golden brown.
6
To make the sauce, combine mayonnaise, ketchup, Dijon mustard, paprika, and garlic powder in a small bowl and mix well.
7
Assemble the burgers by spreading the sauce on both the top and bottom toasted buns.
8
Place two cheeseburger patties on the bottom bun, top with the grilled onions, and place the top bun on.

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Tips & Notes

Pro tips

Don't overwork the ground beef when forming patties—handle gently to avoid dense, tough burgers. Form just before cooking.
Sear patties in a very hot skillet (cast iron works best) for 1–2 minutes per side to develop a brown crust while keeping the inside tender.
Season the patties generously with salt and black pepper on both sides just before cooking, not before forming, to avoid drawing out moisture.
Toast the buns lightly on the skillet or griddle to add texture and prevent them from getting soggy from the sauce and melted cheese.

Substitutions

American cheese → cheddar, Swiss, or provolone (adjust sauce flavor profile accordingly)
White onion → yellow onion (slightly more pronounced sweetness when caramelized)
Dijon mustard → yellow mustard (milder, less tangy sauce)
Mayonnaise-based sauce → store-bought burger sauce or aioli (faster but less customizable)

Storage & make-ahead

Store assembled burgers in an airtight container in the refrigerator for up to 2 days; reheat gently in a skillet. Creamy sauce keeps refrigerated for 3 days. Best served fresh and warm.

Common Questions

What is the best ground beef ratio for this burger?

Use 80/20 ground beef (80% lean, 20% fat). The fat content ensures juicy, flavorful patties without drying out during the quick sear.

How thin should the patties be?

Form patties about 1/4-inch thick. Thin patties cook quickly and develop a crispy seared crust while staying tender inside.

Can I make the creamy sauce ahead of time?

Yes, mix the mayonnaise, ketchup, Dijon mustard, and paprika up to 2 days ahead. Store in an airtight container in the refrigerator.

How do I know when the grilled onions are done?

Cook until they're golden brown and translucent, about 8–10 minutes. They should be soft and slightly caramelized at the edges.

What's the best way to melt the American cheese on the patties?

Place cheese slices on the hot patties immediately after searing and cover the skillet with a lid or aluminum foil for 30–60 seconds to trap heat and melt evenly.