Smoky Lamb Ribs with Tamarind Bbq Sauce & Pickled Red Onions

Bahan-bahan

2 lbs lamb ribs

Salt and black pepper to taste

1 tsp smoked paprika

1 tsp garlic powder

1/2 tsp ground cumin

1 tbsp olive oil

For the Tamarind BBQ Sauce:

1/2 cup ketchup