Halal Cart Lamb Over Spicy Rice

• 1 pound thinly sliced lamb
• 2 tablespoons olive oil
• 1/2 tablespoon allspice
• 1 teaspoon each of coriander garlic powder, paprika, cumin, salt, sumac
• 1/4 teaspoon each of black pepper turmeric

For the white sauce:

• 1 cup mayonnaise
• 1/3 cup sour cream or plain yogurt
• 5 to 6 garlic cloves
• 1 teaspoon white sugar
• Juice of 1/2 lemon
• 1 teaspoon black pepper

For the spicy rice:

• 1 tablespoon unsalted butter
• 1 tablespoon olive oil
• 1 tablespoon minced garlic
• 1/4 cup tomato paste
• 2 cups jasmine or basmati rice rinsed
• 3 cups chicken broth
• Spices: chili powder salt, cumin, coriander, garam masala, paprika, cayenne powder or red chili flakes, black pepper, oregano, onion powder, turmeric

For assembly:

• Shredded lettuce
• Diced tomatoes
• Barbecue sauce optional
• Hot sauce/sriracha
• Pita bread