Smash Burgers with an Epic Sauce

May 23, 2025 | Recipes | 0 comments

Smash burgers are all over the internet right now but you have to try this method and this burger sauce – it’s so, SO good! The crispy edges, the special sauce, and carmelized onions make such a savory and delicious burger. 

Smashburgers are such a fun and different way of doing burgers. I feel like even though you’re still getting a burger, bun, cheese, etc. the thin patties and crispy edges just have a richer flavor than a normal burger. 

smash burger

Ingredients for Smash Burgers

  • Ground meat – We use moose most often, any red meat will work. 
  • Bacon – Any kind!
  • Onion – I use a yellow onion but any kind will work!
  • Butter
  • Mayonnaise – I make mine homemade, but any kind will work! 
  • Mustard
  • Ketchup
  • Pickles (& juice) – Pepperoncinis work for this too!
  • Cheese – American works best for melting, but thin slices work well too! 
  • Burger Buns

Instructions

  1. Heat a medium skillet over medium low heat, add butter and sliced onions.
  2. Allow to cook and become brown before stirring, about 10 mins.
  3. Stir and let cook for another 10 minutes until desired doneness, remove from heat.
  4. Mix all the ingredients for the sauce and set aside.
  5. Chop the bacon and add to ground meat, mix until incorporated.
  6. Roll meat into small balls, roughly 3-4 tbsp each.
  7. Heat Blackstone, griddle, or cast iron to medium high heat. 
  8. Place the meat balls onto the heated surface, use the burger press to smash each ball. 
  9. Allow to cook for 50-70 secs before flipping (the edges will be showing gray/cooked).
  10. Flip patty, add a slice of cheese (only to half the patties) & allow to cook again for another 50-70 seconds. 
  11. Stack 2 patties together & set aside. 
  12. Repeat with all burger balls. 
  13. Assemble burgers – bun, patties, sprinkle of salt, caramelized onions, chopped pickle, & smash sauce. 
  14. Enjoy!
flat top burgers

Tools for Smashing Burgers

Use the tools you have! You don’t HAVE to have a blackstone and a perfect press to make these work. We literally used a 15lb weight (with parchment paper covering it) one time in the early days! That being said, here’s what’s recommended:

Serve it with:

  • A bag of frozen fries
  • Potato salad
  • A side salad
  • Fresh fruit 
smash burger with sauce

Variations and Toppings for Smash Burgers

Obviously burgers are pretty customizable and you can add what you want. I like these just the way the recipe reads but feel free to add your favorite burger toppings – lettuce, tomato, ketchup, etc. 

Storing and Reheating

These store and reheat well! Store in an airtight container for up to 5 days. I reheat them in a frying pan with a little bit of water and a lid.

Smash Burgers with an Epic Burger Sauce

Prep Time 30 minutes
Cook Time 15 minutes
Total Time 45 minutes
Course Main Course, Sauce
Cuisine American
Servings 8

Equipment

  • blackstone, griddle, or cast iron pan

Ingredients
  

Sauce

  • 1/2 c mayonnaise
  • 1/3 c scant mustard
  • 3 tbsp chopped pickles or pepperoncinis
  • 1 tbsp pickle/pepperocini juice

Burgers

  • 1 lb ground meat beef or wild game both work
  • 2 slices bacon finely chopped
  • 4 slices cheese sliced
  • pickles chopped

Caramelized Onions

  • 1 onion sliced
  • 4 tbsp butter

Instructions
 

Caramelized Onions

  • Heat a medium frying pan over medium low heat, add butter, add sliced onions.
  • Allow to cook and become brown before stirring, about 10 mins.
  • Stir and let cook for another 10 minutes until desired doneness, remove from heat.

Sauce

  • Add mayonnaise, mustard, ketchup, chopped pickles, and pickle juice to a bowl and mix well. Set aside.

Burgers

  • Add the chopped bacon to the ground meat, mix until incorporated.
  • Roll the meat into small balls, roughly 3-4 tbsp each.
  • Bring your cooking surface (Blackstone, griddle, or cast iron pan) to medium high heat.
  • Place the meat balls onto the heated surface and use the burger press to smash each ball.
  • Allow to cook for 50-70 secs before flipping (the edges will be showing gray/cooked).
  • Flip the patty, add a slice of cheese & allow to cook for another 50-70 seconds.
  • Stack 2 patties together & set aside.
  • Repeat until all the burgers are cooked.
  • Assemble burgers – bun, patties, sprinkle of salt, caramelized onions, chopped pickle, & smash sauce.
  • Enjoy!
Keyword burger, burger sauce, grill, smash burgers

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