Gyro Burgers with tzatziki and cucumber salad

Ingredients

• Gyro Burgers
• ¹/₂ pound ground beef
  
• ¹/₂ pound ground lamb
  
• ¹/₂ onion, chopped
  
• ¹/₂ tablespoon marjoram
  
• ¹/₂ tablespoon ground rosemary
  
• ¹/₂ tablespoon salt
  
• ¹/₂ teaspoon freshly ground black pepper
  

• Tzatziki sauce and cumber salad toppings
• 1 cup Plain Greek Yogurt
  
• 2 tablespoons fresh mint, minced
  
• 1 tablespoon minced garlic
  
• 1 teaspoon lemon rind
  
• 1 tablespoon lemon juice
  
• 1 tablespoon extra virgin olive oil
  
• 1 tablespoon vinegar
  
• 1 teaspoon salt
  
• 1 teaspoon freshly ground black pepper
  
• ¹/₂ small cucumber, seeded and diced
  
• 2 tomatoes, chopped
  
• ¹/₄ cup red onion, thinly sliced
  
• ¹/₄ cup crumbled feta cheese
  
• 2 tablespoons extra virign olive oil
  
• 2 tablespoons red wine vinegar
  
• 1 teaspoon salt
  
• 1 teaspoon freshly ground black pepper