Step 1
Combine curry powder, cinnamon, cumin, turmeric, coriander, nutmeg, paprika, cayenne pepper, black pepper, cloves, allspice, and bay leaves in a large skillet. Cook over medium heat for 5 minutes, stirring occasionally, allowing the oils in the spices to activate. Pour olive oil into the skillet and add onion. Cook and stir until lightly browned, about 5 minutes. Stir in garlic, ginger, sugar, and salt; cook and stir for 5 minutes.