01 - Heat oil in a large skillet over medium heat. Add cumin seeds and toast for 30 seconds until fragrant.
02 - Add chopped onion and cook for 3 to 4 minutes until soft and golden.
03 - Stir in garlic, ginger, and green chili. Sauté for 1 minute.
04 - Add ground beef. Cook for 5 to 6 minutes, breaking up meat with a spoon, until browned.
05 - Stir in coriander, ground cumin, garam masala, turmeric, chili powder, salt, and black pepper. Mix well to coat meat.
06 - Add diced tomatoes. Cook for 3 to 4 minutes until softened.
07 - Pour in water and bring to a simmer. Add frozen peas, cover, and cook for 5 minutes, stirring occasionally.
08 - Remove lid and cook for 2 to 3 minutes until curry thickens to desired consistency.
09 - Taste and adjust seasoning if needed. Garnish with fresh cilantro and serve hot with rice, naan, or flatbread. Serve lemon wedges alongside.