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Caramelized Onion and Garlic Burger with Creamy Herb Sauce

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A gourmet-style burger featuring juicy beef patties topped with sweet caramelized onions, savory garlic, and a homemade creamy herb sauce. This restaurant-quality burger is perfect for cookouts or a flavorful weeknight treat.

Ingredients

  • For the burger patties:
  • 1 1/2 lbs ground beef (80/20)
  • 1 tsp salt
  • 1/2 tsp black pepper
  • 1/2 tsp garlic powder
  • For the caramelized onions and garlic:
  • 2 yellow onions, thinly sliced
  • 3 garlic cloves, minced
  • 2 tbsp olive oil or butter
  • 1/4 tsp salt
  • 1 tsp balsamic vinegar (optional)
  • For the creamy herb sauce:
  • 1/2 cup mayonnaise
  • 1/4 cup sour cream or Greek yogurt
  • 2 tbsp fresh herbs (parsley, chives, dill), chopped
  • 1 tbsp lemon juice
  • 1 garlic clove, finely minced
  • Salt and pepper to taste
  • To assemble:
  • 4 burger buns, toasted
  • Lettuce or arugula (optional)
  • 4 slices provolone or Swiss cheese (optional)

Instructions

  1. Heat olive oil or butter in a pan over low heat. Add sliced onions and cook slowly, stirring occasionally, for 25–30 minutes until golden and soft. In the last few minutes, add minced garlic and balsamic vinegar (if using).
  2. While the onions cook, form the ground beef into 4 equal patties. Season both sides with salt, pepper, and garlic powder.
  3. Grill or pan-sear the patties for about 4–5 minutes per side or until desired doneness. Rest briefly after cooking.
  4. Mix together all herb sauce ingredients in a bowl and chill in the fridge while burgers cook.
  5. Toast the buns in a dry skillet or on the grill until lightly crisp.
  6. To assemble, spread herb sauce on the bottom bun, add the patty, top with caramelized onions and garlic, add cheese and lettuce (if using), and finish with the top bun.
  7. Serve warm and enjoy immediately.

Notes

  • Make caramelized onions in advance and store in the fridge to save time.
  • Use 80/20 beef for juicy patties and avoid overcooking.
  • Chill the herb sauce to let flavors meld.
  • Use fresh herbs for the best flavor in the sauce.
  • Freeze leftover patties separately, not the fully assembled burgers.

Nutrition

Find it online: https://recipesbyliza.com/caramelized-onion-and-garlic-burger-with-creamy-herb-sauce/