The Extra-Juicy Moroccan Lamb Burger Worthy of An Insta-Post

Ingredients

• 1 lb ground lamb
• half onion (grated)
• 1 clove garlic (minced)
• 1 tsp cumin
• 1 tsp coriander
• 1/2 tsp salt
• 1/4 tsp cinnamon
• 1/4 tsp cayenne ((optional))
• whole-wheat buns (for serving)
• tomatoes (sliced; for serving)
• 1/2 cup feta cheese (crumbled)
• 1/2 cup mint, cilantro or parsley, or a combination (finely chopped)
• 1 lemon (zest)
• 1 tbsp fresh lemon juice
• 1 tbsp extra virgin olive oil