Lamb burger with tzatziki cheese spread

Ingredients:

• 700 g of minced young lamb
• Olive oil
• Salt
• A pinch of crushed red pepper
• 2 cloves of garlic, crushed into a paste
• 2 sprigs fresh oregano, finely chopped
• 1/2 bunch finely chopped fresh dill
• 1/2 bunch finely chopped fresh mint
• Zest of 1/2 lemon
• 4 whole-wheat pitas or 4 sesame-seeded hamburger buns
• 2 heads of red onion (cut one into 0.5 cm cubes, the other into rings for garnish)
• Tzatziki pasta with feta cheese (see recipe below)
• 1 sliced ​​ox heart tomato for garnish
• 2 cups young spinach leaves for garnish

Tzatziki pasta with feta cheese:

• 2 cups natural yogurt
• 1/2 cup crumbled feta cheese
• 1 tbsp. white wine vinegar
• 2 crushed and finely chopped garlic cloves
• 2 sprigs of fresh mint (leaves chopped)
• 1 small bunch of finely chopped fresh dill
• 1/2 coarsely grated cucumber
• Salt

Preparation:

1. Pour olive oil into a large skillet, toss with diced onion, season with salt and crushed red pepper. Heat to medium-high heat and sauté the onion for 3-4 minutes. Add the garlic and cook for another 2-4 minutes. Turn off the heat and let the mixture cool.
2. In a large bowl, combine the ground lamb, cooled onion mixture, oregano, dill, mint, lemon zest, and 1/2 to 3/4 cup water. Sprinkle with salt and mix well. Form a small "test patty." Fry it and taste for seasoning.
3. Preheat the grill.
   
   Form the ground meat into 4 equal-sized patties and sprinkle with salt. Grill the patties to your desired doneness, 4-5 minutes per side for medium-rare. Remove the patties from the grill and let them rest for 3-4 minutes.
4. Cut the pitas in half. Spread each half with a generous amount of tzatziki and feta cheese. Top each half with a patty, then top with tomatoes, sliced ​​onion, and spinach. Top with the other pita half.
   
   Tzatziki pasta with feta cheese: Mix yogurt, feta, vinegar, garlic, mint, dill, and cucumbers. Season with salt. Let stand at room temperature for at least an hour before serving.