Place cleaned shrimp in a glass or stainless steel bowl

Place coriander and cumin in a small skillet over medium heat and toast for about 2 minutes, tossing often until fragrant

Cool. To the shrimp add the cooled spices, yogurt, lemon juice, onion, garlic, paprika, turmeric, salt and pepper

Stir to combine well

Cover and refrigerate for no longer than 4 hours. Skewer shrimp and rotate for 15 minutes or until shrimp turn bright orange in color

Remove skewers from the gear wheels and slide the shrimp off onto serving plates.