I nonetheless bear in mind the primary time I attempted to recreate a Sonic Double Smasher at house. After numerous drive-thru visits, I used to be decided to grasp this seemingly easy but constantly satisfying burger. My first makes an attempt have been disappointing till I found the key: correct smashing approach and the right sauce.

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After quite a few check batches and experimenting with completely different beef blends, cooking temperatures, and sauce combos, I lastly cracked the code. The consequence was not simply nearly as good as Sonic’s model however even higher. The home made patties had a extra substantial beefy taste, the freshly chopped onions supplied the right crunch, and my model of the signature smasher sauce took the whole burger to new heights. Now, as a substitute of heading to Sonic when a craving hits, my household requests my home made model, which has develop into our go-to burger for weekend cookouts and fast weeknight dinners alike.
What makes the Sonic Double Smasher so good?
Need a connoisseur mushroom burger with fancy cheese and heritage bacon? Sorry, you gained’t discover that right here. However this copycat Sonic Double Smasher burger recipe provides among the finest smash burgers you’ve ever had.
So, what’s a Sonic Smasher? It’s Sonic’s model of a basic diner smash burger identified for its crispy, skinny patties, tangy crinkle-cut pickles, chopped onion, melted cheese, and their signature smasher sauce between a pillowy comfortable potato bun. There may be completely nothing fancy right here, simply an old-school cheeseburger executed proper. However my, oh, my, how merely scrumptious it’s.
Why it’s best to do this recipe
- Higher high quality – Use superior substances than what quick meals chains sometimes supply
- Completely crispy edges – Correct smashing approach creates the best texture
- Customizable – Alter the doneness and toppings to your desire
- Price range pleasant – Make 4 burgers for the worth of 1 or two from the drive-thru
- No wait time – Skip the drive-thru line and make these everytime you need
- Signature sauce – The home made smasher sauce elevates the whole burger
- Easy substances – Makes use of widespread gadgets you possible have already got in your kitchen
Double Sonic Smasher substances
For the Sonic Smasher Sauce, you’ll want:
- Mayonnaise – Creates the creamy base that holds all sauce substances collectively
- Ketchup – Provides tanginess and a contact of sweetness to stability the sauce
- Yellow mustard – Contributes basic burger taste and slight acidity
- Dijon mustard – Gives a extra advanced, deeper mustard taste
- Smoked paprika – Provides refined smokiness with out utilizing precise smoke
- Floor black pepper – Provides the sauce a delicate warmth and depth
- Worcestershire sauce – Creates umami richness and enhances the beefy taste
- White sugar – Balances the acidity and brings all flavors collectively
For the Sonic Smasher Burger, you’ll want:
- Floor beef – The muse of the burger; 85/15 mix provides the right stability of taste and texture
- Unsalted butter – Used for toasting the buns, making a wealthy taste and stopping sogginess
- Potato buns – Gentle but sturdy sufficient to carry all elements with out falling aside
- American cheese – Melts completely and offers that genuine quick meals burger style
- Yellow onion – Provides sharp taste and important crunch to distinction with the comfortable bun and beef
- Crinkle-cut pickle slices – Convey acidity and brightness that cuts by the richness
- Salt – Enhances the pure beef taste and creates a scrumptious crust
- Floor black pepper – Provides mild warmth and complexity to the burger patties
You need to use 80/20 floor chuck, however a leaner 85/15 mix will do away with a number of the grease with out drying out the patties.

The way to make it
To arrange the Sonic Smasher Sauce:
- In a small mixing bowl, whisk collectively all of the Smashsauce substances.
- Cowl the bowl with plastic wrap and place it within the fridge till wanted. You can also make the smashsauce a day prematurely for a extra intense taste.
To prepare dinner the patties:
- Divide the bottom beef into eight unfastened equal balls and set them off to the facet. Don’t press the meat too firmly whereas forming the balls, or the burgers might be too dense.
- Warmth a flat griddle or massive forged iron skillet over excessive warmth.
- As soon as the cooking floor is sizzling, place a ball of meat on it and press it down with a greased spatula or burger press. It’s important to press the meat just a few seconds after putting it on the cooking floor to maintain from squeezing all of the juice out of it. Repeat with just a few of the opposite balls of burger meat, however don’t overcrowd the cooking space.
- Season the highest of the smashed patties with salt and floor black pepper.
- Cook dinner the patties till the sides are darkish brown and crispy.
- Flip the burgers and season the cooked facet with salt and floor black pepper.
- Add a slice of cheese and prepare dinner the patties for one more 30 seconds. Take away to a plate.
- Repeat with any remaining patties.
To assemble the Sonic Smasher burger:
- Unfold the softened butter on the within of the buns and toast in a dry skillet over medium warmth. Place toasted buns off to the facet.
- Whereas the buns are toasting, cube the yellow onion into small items. Preserve the diced onion for later.
- Unfold the Smashsauce on the underside bun.
- Pile the 2 cooked patties with cheese on prime.
- Sprinkle on the diced yellow onions and add 4 pickle slices.
- Unfold the Smashsauce on the highest bun after which shut the sandwich.
- Serve instantly.

Selfmade Sonic Double Smasher Burger
Skip the drive-thru and create Sonic’s well-known Double Smasher at house! With completely smashed beef patties, melty American cheese, recent toppings, and home made Smasher sauce, this copycat model is even higher than the unique.
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Servings: 4
Energy: 802kcal
Elements
Sonic Smasher Sauce
- 2 tablespoons mayonnaise
- 1 tablespoon ketchup
- 1 teaspoon yellow mustard
- 1/2 teaspoon Dijon mustard
- 1/8 teaspoon smoked paprika
- 1/8 teaspoon floor black pepper
- 4 drops Worcestershire sauce
- 1/2 teaspoon sugar
Burger
- 4 potato buns
- 1 tablespoon softened butter
- 1 1/2 kilos floor beef 80/20 floor chuck is most well-liked
- salt and pepper to style
- 8 slices American cheese
- 16 refrigerated crinkle-cut spherical pickles like Claussen
- 1/4 cup diced yellow onion
Directions
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To make the Smasher sauce, mix all of the substances in a small bowl. Combine completely and put aside to let the flavors develop.
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Unfold softened butter evenly on the lower sides of the potato buns. Place the buns cut-side down on a griddle or skillet and toast till golden brown. Put aside.
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Divide the bottom beef into 8 equal parts and kind every portion right into a unfastened ball.
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Warmth a big griddle or cast-iron skillet over excessive warmth till it’s extremely popular. Place a beef ball on the new floor and instantly smash it very skinny with a spatula or burger press. Season generously with salt and pepper. Cook dinner for 1 to 2 minutes till the sides develop into crispy. Flip the patty, season the opposite facet with salt and pepper, and prime every patty with a slice of cheese. Cook dinner for one more 30 to 45 seconds till the cheese begins to soften. Repeat this course of with the remaining patties.
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To assemble every burger, place a backside bun on the plate and unfold it with Smasher sauce. Add 2 cheese-topped patties adopted by 4 pickle slices and a tablespoon of onions. Unfold further Smasher sauce on the highest bun and place it on the burger. Serve instantly whereas sizzling.
Vitamin
Energy: 802kcal | Carbohydrates: 28g | Protein: 45g | Fats: 57g | Saturated Fats: 23g | Polyunsaturated Fats: 5g | Monounsaturated Fats: 20g | Trans Fats: 3g | Ldl cholesterol: 173mg | Sodium: 1454mg | Potassium: 557mg | Fiber: 1g | Sugar: 8g | Vitamin A: 549IU | Vitamin C: 1mg | Calcium: 628mg | Iron: 6mg
What to serve this with?
For this old-school Sonic Smasher, hold the edges easy. Listed below are just a few options you’ll be able to strive:
Onion Rings. Frivolously battered and fried till crispy, this copycat onion ring recipe from Sonic makes easy and extra-crispy onion rings. If you happen to want one thing a bit heartier, it’s possible you’ll want a hearty beer batter of Simon and Seafort’s Onion Rings as a substitute.
Loaded Baked Potato Tater Tots. French fries simply can’t compete with these home made tater tots. Impressed by those at The Cheesecake Manufacturing facility, these Loaded Baked Potato Tater Tots are brimming with melted cheese, savory bacon bits, and chopped inexperienced onions. You’ll by no means wish to purchase frozen tots once more after you strive these!
Sonic Strawberry Lemonade. You deserve one thing an entire lot higher than soda to scrub down a Sonic Double Smasher, and the chain’s well-known Strawberry Lemonade is the right selection. Its candy and tart taste is the best thirst-quencher on a sizzling summer time day, or actually, anytime.

The way to retailer the leftovers
If you happen to haven’t assembled the burgers already, retailer the cooked patties and the Smashsauce individually inside two hermetic containers within the fridge. Take aside an assembled Sonic Smasher burger, wipe off the Smashsauce, and take away the toppings earlier than storing every element inside separate containers within the fridge.
What’s the easiest way to reheat a Double Smasher?
Heat either side of buns in a skillet over medium warmth. Reserve the buns for later.
To heat up the patties, flippantly oil a preheated skillet over medium warmth. Add the patties with cheese and canopy. Cowl the highest of the skillet, leaving a small opening for a number of the steam to flee. Cook dinner the patties till the cheese re-melts, no more than 90 seconds.
Reassemble burgers and serve.

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Take a look at my simple recipes for burgers and the most effective copycat quick meals recipes right here on CopyKat!
Take pleasure in this unbelievable copycat model of Sonic’s well-known Double Smasher! With completely smashed patties that create these coveted crispy edges, melted American cheese, recent toppings, and the signature Smasher Sauce, you’ll craft a burger that rivals and even surpasses the unique. The great thing about making these at house is the flexibility to make use of larger high quality substances and customise to your precise preferences. When you grasp the smashing approach, you would possibly end up making these scrumptious but simple burgers a daily a part of your meal rotation.