Toss your beef chunks in salt to ensure they are well-seasoned before marinating them in the flavorful curry paste.
Take a moment to test the spiciness of your Kashmiri chilli powder and adjust as needed.
In a Nutribullet or small food processor, combine all curry paste ingredients with one cup of water and blitz until smooth. Pour this mixture over the salted beef and use the remaining water to rinse out any leftover paste into the bowl.
Mix everything thoroughly, cover it, and let it marinate for at least two hours.
Set your oven temperature to preheat at 190°C/375°F (170°C fan) while you prepare your sauce.
Melt ghee over medium-high heat in a large pot; then cook onion, ginger, and garlic until they become translucent, about three minutes before adding the mustard seeds and continuing until golden brown.