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Caramelized Onion Walnut Burger (Vegan)

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16 Comments
gluten-free, lentils, onions, red rice, vegan, walnuts

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Caramelized onions and walnuts…WOW! The title alone says it all, doesn’t it? This caramelized onion walnutย burgerย is my latest vegan (and gluten-free) burgerย recipe and it is as deliciouslyย superb as all myย others–and that’s a tough act to follow! Walnuts give it a wonderful rich taste andย of course add healthyย omega-3 fatty acids to its nutrition. I use sprouted red rice in this variation for those of you who are gluten-sensitiveย (black rice also works beautifully) and both are a nice source of fiber and protein but if gluten-sensitivity isย not an issue for you, ย you can also replace the riceย with the same amount of cooked whole farro or wheat berries. Of course my staple pureed black lentils are a constant in this variation; I couldn’t do without them!

Caramelized Onion Walnut Burger (Vegan)-Recipe-Copyright-CKatz

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5 from 5 votes

Table of Contents

  • Caramelized Onion Walnut Burger
    • Ingredients
    • Instructions
    • Nutrition

Caramelized Onion Walnut Burger

Cuisinicity Tip 1
: I like using black lentils for this recipe, but French lentils or brown lentils will do too. Just follow package instructions as each is a little different. You will need about 1/3 cup dry lentils to make the 1 cup cooked lentils you need. I personally use
canned organic black beluga lentils.
Course Dinner, Lunch
Cuisine American
Keyword nut burger recipe, vegan walnut burger recipe, walnut burger, walnut burger recipe, walnut burger vegan, walnut burgers, walnut burgers recipe, walnut patties, walnut patties recipe, walnut patty recipe
Prep Time 20 minutes minutes
Cook Time 5 minutes minutes
Total Time 25 minutes minutes
Servings 4 patties
Calories 840kcal
Author Catherine Katz

Ingredients

  • Chewy Base:
  • 1/2 cup dry red or black rice
  • Binding:
  • 1 cup canned black lentils rinsed and well drained (packed!)*
  • "Meatiness":
  • 2 Tbsp olive oil
  • 1 Large onion (2 cups chopped)
  • 1/2 cup ground walnuts
  • 1/2 cup rolled oats
  • 2 tsp tomato paste
  • 1/2 tsp Dijon mustard
  • 1 tsp garlic powder
  • 1 tsp onion powder
  • 1/2 tsp salt
  • fresh ground pepper to taste

Instructions

  • GETTING EVERYTHING READY:
  • Preheat a medium pan and when hot, add the olive oil and the chopped raw onions and cook, uncovered while stirring for a few minutes.
  • Turn down the flame to a simmer and continue to cook, uncovered, for 15 minutes, until the onions are caramelized to a golden brown, then turn off the stove and cover until ready to assemble.
    You will end up with
    3/4 cup cooked
    caramelized onions.
  • Meanwhile, place 1/2 cup dry red or black rice in 2 1/2 cups boiling water and cook uncovered, until water has evaporated
    (about 20-25 minutes)
    . Transfer to a bowl and set aside to cool.
    You will end up with
    1 cup cooked
    rice.
  • Place the raw walnuts in the bowl of a small food processor and grind until medium fine (it shouldn't be a powder) and set aside (you will end up with 1/2 cup ground walnuts).
  • Place the rolled oats in the bowl of a small food processor and grind until coarsely ground (it shouldn't be a powder) and set aside.
  • Place the canned (or cooked) lentils (
    make sure they are well rinsed and drained and they are well packed in that cup!)
    in food processor and grind, scraping the sides to form a paste. Transfer to a cup and set aside.
    You will end up with about
    1 cup pureed
    lentils
    .
  • ASSEMBLING:
  • Place the caramelized onions, ground walnuts, ground oats and pureed lentils in a medium bowl and stir gently with a spoon.
  • Add tomato paste, dijon mustard, onion powder, garlic powder, salt and pepper and stir again.
  • Add the cooked rice last and, using your hands, "dig in" and work the mixture so that it forms a ball.
  • Form into 7 equal patties (I like to use a big ice-cream scooper to make them more regular & compact and finish forming the patty with my hands). you can refrigerate or freeze at this point until ready to grill.
  • When ready to grill, drizzle a little olive oil in a large non-stick skillet and heat over high heat. When the pan is very hot, place the patties on the pan and cook for 2-3 minutes on each side.
  • Optional: Use a pastry brush to coat each patty with BBQ sauce (if using) on both sides (about 1 Tbsp per patty) and serve on soft wheat buns with garnishings.

Nutrition

Serving: 472g | Calories: 840kcal | Carbohydrates: 67g | Protein: 34g | Fat: 50g | Saturated Fat: 12g | Polyunsaturated Fat: 5g | Monounsaturated Fat: 33g | Cholesterol: 125mg | Sodium: 610mg | Fiber: 7g | Sugar: 18g | Calcium: 73mg | Iron: 4mg

Recipe for my BBQ sauce, if using:

Homemade-Barbecue-Sauce-Feature-Photo

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More Healthy Vegan Recipes - Savory Other recipes with: gluten-free, lentils, onions, red rice, vegan, walnuts

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Comments

  1. Carla says

    at

    5 stars
    I just made these for dinner and oh my gosh, they were amazing!!! Thank you so much for this recipe, I wilp definitely be making these again!

    Reply
    • Catherine Katz says

      at

      YAY Carla, I always love to hear that!!!
      love,
      Catherine

      Reply
    • Donna Saliter says

      at

      5 stars
      They were an awesome addition to our Super Bowl, too!

      Reply
      • Catherine Katz says

        at

        YAY Donna, I love that!!! Mine too!

        Reply
  2. Teri Walsh says

    at

    Catherine-

    Thank you and your husband for heart healthy living choices. I so enjoy your website amid all of this Coronavirus and devastation.

    I am just beginning to cook plant based after caring for parents and a brother with heart disease. My father is alive at 95 years of age, bypass surgery in 1974 and stent surgery at age 90. I have had a difficult time getting them to eat without saturated fat.

    It is time for me to watch my cholesterol at age 63 . It has been a long struggle with family traditional foods and now I need to cook according to my needs.

    Thank you so very much for offering your website and youtubes. We all need to watch our cholesterol!!!

    Teri Walsh

    Reply
  3. Donna says

    at

    Hi
    I canโ€™t wait to try this recipe. What can I substitute for the walnuts? I have a sensitivity to nuts.

    Thank you,
    Donna

    Reply
    • Catherine Katz says

      at

      Hi Donna! Feel free to use any of my other vegan burger variations,that do not use nuts, Enjoy! ๐Ÿ™‚

      Reply
  4. Donna says

    at

    Hi Catherineโ€™
    I i first want to thank you for offering these recipes. I am excited to try these burgers but I am sensitive to nuts so do you have any suggestions of what I could substitute for the walnuts?

    Thank you for your time,
    Donna

    Reply
  5. Julie F says

    at

    5 stars
    These are amazing! Thank you for sharing. Will certainly make again.

    Reply
  6. Jane Barg says

    at

    Hi Catherine,
    First thank you for all your fantastic recipes. Each one I try is better than the next! I want to make caramelized onion burgers but have used up all my black rice. Can I substitute millet or brown rice?
    Thanks,
    Jane

    Reply
    • Catherine Katz says

      at

      You are so very welcome Jane!! truly my pleasure for people like you who are so appreciative!! ๐Ÿ™‚ yes I would use brown rice rather than millet because it will hold better. If you have farro, that will even better, because it “sticks”more and keeps it together better, but brown rice si deficiently the way to go if you have some handy!

      Reply
  7. Sheila E Esposito says

    at

    5 stars
    This recipe was absolutely outstanding! Being rather new to plant-based eating, I was excited to try these burgers because the name was so enticing (carmelized onions–oh yes!!). I, along with my family, was not disappointed. These burgers were delicious, and I am already being asked to make them again!!

    Reply
    • Catherine Katz says

      at

      YAYYYYY Sheila! That makes me so happy, especially since you are not used to plant-based eating (I am relatively new at it as well), it means that much more to me!! Thank you so much for your kind words! Love it!! ๐Ÿ™‚

      Reply
  8. Donna Saliter says

    at

    5 stars
    Hi Catherine, I finally made this burger for dinner last night and oh my gosh!!! It is the most moist, delicious Vegan Burger I’ve ever had! Simply amazing. And, the way you did the recipe instructions, the timing came out perfectly. My brother absolutely loved it. Both brothers are great Vegetarian cooks so I was proud and happy! I had some carrots in the fridge so I added the https://cuisinicity.com/carrots-a-la-chermoula/ and they were easy and soooo delicious too! Today I may make the https://cuisinicity.com/carrot-quinoa-lentils/ with my extra carrots and lentils. Thank you so much for these easy and absolutely fantastic recipes.

    Reply
    • Catherine Katz says

      at

      Oh my goodness, thank you SO MUCH for this absolutely wonderful comment that just fills me with joy when everything turns out just as expected and is devoured and loved by everyone in the family! You couldn’t have made me happier this morning! ๐Ÿ™‚

      Reply

Trackbacks

  1. Forbidden Rice is out of this world! - Cuisinicity says:
    at

    […] If you’d like to learn more about forbidden rice, Healthline has a comprehensive article on the benefits of black rice. Another black rice recipe you can enjoy is my vegan Caramelized Onion Walnut Burger. […]

    Reply

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