Caramelized Onion Spinach + Feta Turkey Burgers

Love these Caramelized Onion Spinach + Feta Turkey Burgers with sweet potato buns for a delicious weeknight meal! Such a tasty gluten free dinner!

Prep: 10 minsCook: 20 minsTotal: 30 mins
Servings: 6 1x


  • 1 large sweet potato, washed
  • 4 tablespoons avocado oil
  • 1 sweet onion, chopped
  • 1 cup packed spinach
  • 2 garlic cloves, pressed
  • 1 lb. ground turkey
  • 1/2 cup crumbled feta
  • 1/4 teaspoon pink Himalayan sea salt
  • 1/8 teaspoon ground pepper
  • 1/4 teaspoon cumin
  • 1/4 teaspoon smoked paprika


  1. Cut the sweet potato in 1/4 – 1/2 inch slices.
  2. Place them in a large pan with 1 tablespoon of avocado oil over medium heat.
  3. Cook for 3 minutes, flip and cook for another 2 minutes.
  4. Continue to flip and cook until they are softened and cooked through.
  5. Transfer to a plate lined with a paper towel and set aside.
  6. Wipe out the pan that you used for the sweet potatoes.
  7. Place the chopped onion in a pan over medium-high heat with 1 tablespoon avocado oil.
  8. Sauté, stirring frequently for about 10 minutes until the onions are reduced and browned.
  9. Transfer the onions to a medium bowl.
  10. In the same pan, add the spinach leaves.
  11. Sauté for about 3 minutes until they’re wilted.
  12. Transfer them to the bowl.
  13. Add the ground turkey, garlic, feta, salt, ground pepper, cumin, and smoked paprika to the bowl.
  14. Use your hands to smush everything together and combine it thoroughly.
  15. Wipe out your skillet and warm it over medium-high heat.
  16. Add another tablespoon of avocado oil to the skillet.
  17. Form 6 patties with your hands and put them in your skillet, about 2 inches apart.
  18. Cook for 3 minutes, then flip. Cook for 3 minutes, then flip.
  19. Cook for about 10 minutes total, until the sliders are cooked all the way through.
  20. Place the burger between two sweet potato rounds and add your favorite toppings: tomato, lettuce, avocado, and sprouts for some suggestions.
  21. Top with whatever your favorite condiments, and enjoy!!
© The Toasted Pine Nut