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I know that people who don’t eat meat find it more difficult to stick with a low-carb, keto diet. If you want to learn more, I have discussed vegetarian and vegan keto diets in this post. This recipe is a great vegetarian option and even meat-eaters will like it. I used my Keto Buns recipe to make these burgers. I promise you they taste as delicious as they look! 🙂


  • 2 medium large flat mushrooms such as Portobello (150 g / 5.3 oz)
  • 1 tbsp ghee or coconut oil (you can make your own)
  • 1-2 tbsp freshly chopped basil or 1 tsp dried
  • 1 tbsp freshly chopped oregano or ½ tsp dried
  • 1 clove garlic, crushed
  • ¼ tsp salt or more to taste (I like pink Himalayan)
  • freshly ground black pepper
  • 2 keto buns (recipe for my Ultimate Keto Buns is here)
  • 2 tbsp mayonnaise – you can make your own
  • 2 large eggs, free-range or organic
  • 2 slices hard cheese such as cheddar or gouda (40 g / 1.4 oz)
  • 1 cup mixed lettuce


  1. Ultimate Keto Buns.
  2. griddle pan
  3. these molds
  4. griddle pan

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