Pro Tip: Add the onions after the smash!
While some smash burger recipes might instruct you to smash the hamburger meat directly onto the caramelized onions, my recipe respectfully differs. Adding the onions after the smash delivers a crispy beef patty that is so freakin' delicious!
Calories: 578kcal | Carbohydrates: 25g | Protein: 22g | Fat: 44g | Saturated Fat: 12g | Polyunsaturated Fat: 13g | Monounsaturated Fat: 15g | Trans Fat: 1g | Cholesterol: 92mg | Sodium: 3250mg | Potassium: 587mg | Fiber: 2g | Sugar: 13g | Vitamin A: 202IU | Vitamin C: 7mg | Calcium: 60mg | Iron: 3mg