Afghani Kebob with Tomato Gravy

Meat:

• 1 pound ground beef
• 1 tablespoon olive oil
• 1 onion finely chopped
• 2 teaspoons adrak laysan ginger garlic paste
• 1/2 teaspoon cayenne pepper
• 1/2 teaspoon baking soda
• 1/4 cup bread crumbs
• salt to taste
• vegetable oil for frying

Sauce:

• 3 large tomatoes chopped
• 4 garlic cloves chopped
• 1/2 teaspoon black pepper
• 1/4 teaspoon cayenne pepper
• 3/4 teaspoon ground coriander
• 1 1/4 teaspoons ground cumin divided
• 1 tablespoon olive oil
• 1/2 teaspoon coriander seeds coarsely ground in mortar and pestle
• 1/2 teaspoon whole peppercorns coarsely ground in mortar and pestle if desired for added spice
• salt to taste

Garnish:

• lice ginger
• fresh cilantro