add fenugreek seeds, curry leaves, and halved garlic; cook until fragrant, about 1 minute. add onion; cook until golden, 10-12 minutes. add minced garlic, the coriander, chile powder, turmeric, ginger, and salt; cook until garlic is golden, 2-3 minutes. stir in spinach; cook until wilted and slightly dry, 6-8 minutes.