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Spinach Sauce Bunless Burger

Yield: 6 people
Prep Time:
15 mins
Cook Time:
6 mins
Total Time:
21 mins
Spinach Sauce Bunless Burger is a delicious low-carb, paleo, gluten-free and whole30 burger recipe that is perfect for a light summer lunch or dinner. The spinach sauce is a great addition to this burger and it’s made with lots of spinach, homemade mayo, avocado, garlic and olive oil.
Print Recipe
5 from 1 vote


For the Burger

For Serving

  • Big head of iceberg lettuce
  • Slices of red onions — tomatoes and cooked bacon to serve.

For the Spinach Sauce

  • 1 cup spinach
  • ¾ cup homemade mayo
  • 1 small garlic clove
  • 2 tablespoons olive oil
  • 1 tablespoon lemon juice
  • ½ avocado
  • Salt and black pepper


  1. To make the burger, combine all ingredients, except the olive oil, in a large bowl. Mix everything well to combine and using your hands divide the mixture into 4-6 burgers.

  2. Heat the olive oil in a non-stick grill pan over a medium-high heat. Cook the burger for 3-5 minutes on each side, or until reach 145°F for medium-rare or 160°F for well-done. Set them aside.
  3. Slice 8-12 large rounds from the edges of the head of iceberg to create buns. Set aside.
  4. Make the spinach sauce: Add all the spinach sauce ingredients in a 

    food processor

    and process on low. For about 1-3 minutes.

  5. To build each burger, top one iceberg round with the spinach sauce, a burger, more spinach sauce, two slices of tomatoes, 2 slices of onions and 2 slices of bacon then drizzle with more spinach sauce. Top with second iceberg round.

Recipe Notes

This spinach sauce also goes really well with my Low-carb Salmon burger. Seriously it's to die for. You should give it a try too ;-)
Course: Main Course
Cuisine: American
Keyword: gluten-free, low-carb, paleo, whole30

Nutrition Information

Amount per serving (1/6) — Calories: 321, Fat: 27g, Saturated Fat: 4g, Polyunsaturated Fat: 2g, Monounsaturated Fat: 7g, Cholesterol: 72mg, Sodium: 254mg, Potassium: 351mg, Carbohydrates: 4g, Fiber: 1g, Sugar: 1g, Protein: 17g

If you make this recipe, follow @primaverakitchen on Instagram, snap a photo and hashtag it #primaverakitchen. I'd love to see what you're making!

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