Grilled Veggie Burgers with Lentils and Walnuts

Grilled Veggie Burgers with Lentils and Walnuts

Amanda Frederickson

Grilled Veggie Burgers with Lentils and Walnuts

Prep Time



Cook Time




4 – 6




What’s this?

Try out Traeger’s take on veggie burgers made with lentils and walnuts. This grilled veggie burger recipe uses boiled lentils and combines them with flaxseed, onion, garlic and toasted walnuts.


  • 3/4 Cup Lentils, dried

  • 1 Tablespoon Flaxseed, Ground

  • 1 onion, diced

  • 2 Tablespoon extra-virgin olive oil

  • 2 Clove garlic, minced

  • Pinch salt

  • Pinch black pepper

  • 3/4 Cup breadcrumbs

  • 1 Teaspoon ground cumin

  • 1 Teaspoon paprika

  • 1 Cup Walnuts, Toasted

  • 6 hamburger buns


  • 1

    Bring a medium pot of water to boil. Add the lentils and cook the lentils for about 15 minutes or until soft. Drain and set aside.
  • 2

    In a small bowl, combine the flaxseed with 4 tablespoons of water. Let mixture sit for 5 minutes.
  • 3

    In a medium saute pan over medium heat, add the onion and olive oil. Cook onion for about 4 to 6 minutes or until translucent. Add the garlic and a pinch of salt and pepper and continue to cook for another 30 seconds.
  • 4

    Add the onion and garlic mixture, along with 3/4ths of the lentils, the flaxseed, breadcrumbs, cumin, paprika, and toasted walnuts into the bowl of a food processor.
  • 5

    Pulse until mixture is smooth and comes together. If the mixture is dry add 1 tablespoon of water at a time until mixture comes together. Fold in the remaining lentils.
  • 6

    Form the lentil mixture into 4 to 6 patties and place on a parchment lined plate. Refrigerate the patties for at least 30 minutes or up to 24 hours.
  • 7

    When ready to cook, start the Traeger according to grill instructions. Set the temperature to 425 degrees F and preheat, lid closed 10-15 minutes.
  • 8

    Grill the veggie burgers for 8 to 10 minutes flipping halfway through.
  • 9

    Serve burgers on toasted hamburger buns topped with lettuce, tomato, ketchup, and mayonnaise. Enjoy!

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