American Classic · american cuisine

Smash Burger with Secret Sauce

Name: Smash Burger with Secret Sauce
Prep time: 20 min
Cook time: 40 min
Total time: 60 min
Cuisine: American
Ingredients: 600g beef mince, 80/20 fat ratio, cold; 4 soft potato or brioche buns; 4 slices American cheese; Thin white onion, pickles, shredded iceberg; Sauce: 3 tbsp mayo, 1 tbsp ketchup, 1 tbsp mustard, 1 tbsp relish, pinch paprika, splash vinegar; Salt, pepper, butter for toasting buns

Thin patties, hard smash, American cheese if you want diner energy. Sauce on both buns.

By Hasnain Khan · Tested in a home kitchen · Updated 2026-08-10

⏱ 25 min 👤 4 burgers 🔥 Mild ⭐ 4.9 / 5

Recipe card

Prep20 min

Cook40 min

Total60 min

Yield4 servings

Rating4.9 / 5

Calories320

CuisineAmerican

CourseAmerican Classic

Jump to ingredients Jump to method Nutrition

Why this recipe works

A smash burger is not a thick steakhouse patty. It is about surface area and Maillard crust. Soft beef balls hit a ripping-hot griddle, get smashed hard for 10 seconds, and then left alone until the edges lace into crispy frills. I season only on the griddle so salt does not tighten the meat beforehand. Soft potato buns, steamed under a lid with the cheese, complete the diner fantasy.

Expert kitchen tips

Loose packing = juicier smash. Overworked mince turns dense.
If you only have lean beef, add a little beef fat or accept a drier result.
A burger press or wide spatula plus parchment prevents sticking when smashing.

Ingredients

600g beef mince, 80/20 fat ratio, cold
4 soft potato or brioche buns
4 slices American cheese
Thin white onion, pickles, shredded iceberg
Sauce: 3 tbsp mayo, 1 tbsp ketchup, 1 tbsp mustard, 1 tbsp relish, pinch paprika, splash vinegar
Salt, pepper, butter for toasting buns

Step-by-step method

Mix sauce and chill. Divide beef into 8 loose balls (double smash stack) — do not knead.
Heat cast iron or griddle until very hot. Toast buns in butter; set aside.
Place balls on griddle, smash firmly with parchment and a press for 8–10 seconds. Season tops with salt and pepper.
Cook until edges brown and crisp, ~2 minutes. Flip, add cheese, cook 30–45 seconds more.
Stack two patties per bun with sauce, onion, pickle, and lettuce. Serve immediately.

💡 Lesson I learned the messy way: do not move the patty after smashing until a crust sets — peeking early tears the crust and steals your crunch.

Estimated nutrition

About 320 calories per serving (based on 4 servings). Values are estimates for home cooks and vary by brands, oil used, and portion size — not lab-analysed.

Serving ideas & leftovers

Serve hot, taste for seasoning at the table, and store leftovers in an airtight container once cool. Most of these dishes reheat gently on the stove with a splash of water, stock, or the dish’s own sauce so the texture stays kind.

This recipe is original CookMe editorial content for home cooks. Nutrition varies by brands and portions. If you have allergies, check every label. CookMe may display ads via partners such as Mediavine; see our Privacy Policy and Advertising Disclosure.