Lamb on a Stick

Ingredients

• 1/4 cup chopped mint
• 2-in. ginger , peeled and finely grated
• 2 clove garlic
• 1 tsp ground cumin
• 1 tsp ground coriander
• 1 tsp salt
• 1/4 - 1/2 tsp cayenne powder
• 1 1/2 lb ground lamb , (you can substitute pork or beef)
• 6 metal or bamboo skewers
• 6 whole wheat pitas
• store-bought tzatziki
• onion
• tomato
• cucumber