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Savory Onion Smash Burgers with Garlic Herb Aioli

Prepare to experience a flavorful explosion in every bite with these savory onion smash burgers, topped with gooey melted cheese, caramelized onions, and a delectable garlic herb aioli, all resting on a soft brioche bun.
2
55 min
TOTAL TIME
839
CALORIES
$2.73
PER SERVING
Savory Onion Smash Burgers with Garlic Herb Aioli
Ingredients
CARAMELIZED ONIONS
4 SERVINGS
Unsalted Butter
4 tbsp unsalted butter
Salt
1/4 tsp salt
Sweet Onion
2 medium sweet onion
thinly sliced
BURGERS
Unsalted Butter
1 tbsp unsalted butter
Lean Ground Beef
1 lb lean ground beef
Canola Oil
1/2 tbsp canola oil
Salt
1 tsp salt
Sharp Cheddar Cheese
4 slices sharp cheddar cheese
Lettuce
4 leaves lettuce
Brioche Burger Buns
4 whole brioche burger buns
GARLIC HERB AIOLI
Fresh Rosemary
1 tbsp fresh rosemary
chopped
Mayonnaise
1/2 cup mayonnaise
Fresh Basil
2 tbsp fresh basil
chopped
Fresh Parsley
2 tbsp fresh parsley
chopped
Garlic
2 cloves garlic
minced
Black Pepper
1/4 tsp black pepper
Directions
CARAMELIZED ONIONS
15 min
PREP TIME
40 min
COOK TIME
55 min
TOTAL TIME
1
In a large skillet over medium-low heat, melt 4 tablespoons unsalted butter.
2
Add the thinly sliced onions and 1/4 teaspoon salt, stirring to combine.
3
Cook for 20 to 30 minutes, stirring often, until the onions are caramelized.
BURGERS
4
Divide the ground beef into 4 equal parts and form into balls.
5
Heat a large cast iron skillet or grill griddle over medium-high heat for 5 to 10 minutes until hot.
6
Quickly brush the skillet with canola oil and place half of the butter on the skillet.
7
Place one beef ball on the skillet and smash it down with a burger press or spatula to about 1/2 inch thickness. Repeat with the remaining beef balls.
8
Season the patties with salt and cook for 2 to 3 minutes. Flip, season the other side with salt, and cook for 2 minutes more.
9
Place a slice of cheddar cheese on each patty and cook for 60 seconds or until cheese is melted.
10
Spread garlic herb aioli on each bun, top with a lettuce leaf, burger patty, and caramelized onions in that order.
GARLIC HERB AIOLI
11
In a small bowl, whisk together mayonnaise, chopped basil, chopped parsley, chopped rosemary, minced garlic, and freshly cracked black pepper until combined.
Health Info
Macros
47g
CARBS
55g
FAT
36g
PROTEIN
Contains these allergens
MILK
EGGS
WHEAT
SOYBEANS
Frequently Asked Questions
What type of bun best complements an Onion Burger?
What type of onions should I use for Onion Burgers?
How should I chop the onions that are going in the burger?
What kind of beef blend should I use for the patties?
How can I ensure the onions are properly caramelized?
How should I season my Onion Burger?
Can I make Onion Burgers on a grill?
Should I cook the onions before adding them to the patty?
What toppings go well with an Onion Burger?
How do I keep the patty from falling apart when cooking?