Beef Shawarma Flatbread with Tzatziki

Ingredients

• beef (Shawarma)
• 1 1/2 pounds beef sirloin (sliced thinly)
• 3 cloves garlic (minced)
• 1 tbsp ground cumin
• 1 tbsp ground coriander
• 1 tsp paprika
• 1 tsp turmeric (ground)
• 1 tsp ground cinnamon
• 1/2 tsp cayenne pepper
• 1/4 cup olive oil
• Salt and pepper (to taste)
• Tzatziki Sauce
• 1 cup Greek yogurt
• 1 cucumber (grated)
• 2 cloves garlic (minced)
• 1 tbsp lemon juice
• 2 tbsp dill (chopped, fresh)
• For the Flatbread:
• 4 pieces flatbread
• 1 cucumber (thinly sliced)
• 1 tomato (diced)
• 1 red onion (thinly sliced)
• parsley (for garnish, fresh)