In a large shallow dish, whisk the sour cream, cream cheese with garlic, cumin seeds, garam masala, peppercorns, ground cumin, ginger and turmeric.
Coat shrimp (chicken or lamb) and vegetables thoroughly with the marinade. Cover and refrigerate for 3 hours.
Thread shrimp (chicken or lamb) alternating with vegetables onto skewers and season with salt. Place on a tray and cook at the broiler setting in the oven until cooked through. Sprinkle the kebabs with chat masala and serve with lime wedges.
Ingredients for Kebab Platter:
Assorted vegetables (red onions, peppers, mushrooms) – cut in cubes
3 tbs unsalted butter, melted
6 garlic cloves, minced
1 tsp cumin seeds
1 tsp ground cumin
½ cup cream cheese
1” ginger, minced
16 jumbo shrimp, shelled and deveined. (Or small pieces of chicken or lamb)