How to Make a Veggie-Loaded Hamburger

Master these burgers, and you'll be the most popular grill on the block

Make this summer one for the books by giving your standard hamburger a serious upgrade. This charcoal-grilled ground-chuck patty gets dressed up with toppings like grilled onion and eggplant, but the real key to sandwich perfection is the garlic mayo made with Maille Dijon mustard (don't worry, it's easy to make) and tangy Maille cornichons with cayenne chili peppers. Now, light the grill and call a few friends: Summer is waiting.

Recipe from the Tasting Table Test Kitchen

Hamburger With Grilled Vegetables, Garlic Mayo And Spicy Pickles
4.8 from 70 ratings
We've never met a burger we didn't like, but this genius tip from Maille takes things to the next level.
Prep Time
25
minutes
Cook Time
10
minutes
Servings
4
burgers
Total time: 35 minutes
Ingredients
  • :::For the Garlic-Dijon Mayonnaise:2 tablespoons mayonnaise1 tablespoon Maille Dijon mustard1 garlic clove, finely mincedKosher salt, to taste:::
  • :::For the Burger:1 yellow onion, sliced into ¼ inch rings1 large eggplant, sliced ¼ inch thick⅓ cup extra-virgin olive oil, dividedKosher salt and freshly ground black pepper, to taste1½ pounds ground beef chuck4 hamburger buns (such as Martin's), toasted1 medium avocado—pitted, peeled and smashed1 large beefsteak tomato, sliced ¼-inch thick¼ cup Maille cornichons with cayenne chili peppers, halved lengthwise1 cup packed arugula:::
Directions
  1. Make the garlic-Dijon mayonnaise: In a small bowl, stir all the ingredients together and season with salt; set aside.
  2. Light a grill. Toss the onion and eggplant slices in the olive oil, then season with salt and pepper and place on the grill. Cook, flipping once until charred and tender, 2 to 3 minutes per side. Transfer to a plate and set aside.
  3. Make the burger: Transfer the meat to a plastic cutting board and divide into 4 equal portions, about 6 ounces each.
  4. Season the burger patties liberally with salt and pepper, and place on the grill. Cook, flipping once, until lightly charred on the outside and medium rare on the inside, 3 to 4 minutes per side. Transfer the patties to a clean cutting board and let them rest for a few minutes.
  5. To assemble the burgers, generously spread the garlic mayonnaise on both sides of each burger bun. Place a burger on each bottom bun, then top with a quarter of the mashed avocado, grilled onions, grilled eggplant, sliced tomato, cornichons, arugula and the top bun. Repeat with the remaining burgers and serve.
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