Prepare the Marinade:
In a bowl, combine yogurt, ginger-garlic paste, red chili powder, turmeric powder, garam masala, salt, and lemon juice. Mix well until smooth and creamy.
Marinate the Mutton:
Coat the mutton steaks thoroughly with the marinade. Cover and refrigerate for at least 24 hours (up to 2-3 days for deeper flavor).
Prepare the Cooking Surface:
Heat a grill or pan over medium-high heat. Add butter or oil to the pan to sear the steaks.
Cook the Mutton Steaks:
Sear the steaks for about 5 minutes on each side until golden brown. For medium-rare, the internal temperature should reach 140°F.
Optionally, transfer the steaks to a preheated oven at 190°C (Gas 5) and roast for 15-20 minutes, or continue cooking on the pan until your desired doneness.
Prepare the Sides:
While the steaks are cooking, sauté onion and garlic in coconut oil for a few minutes. Add mashed potatoes or grilled vegetables like cauliflower. Season with black pepper, sea salt, and fresh parsley.
Make the Sauce:
In a separate pan, simmer juniper berries with stock or broth and Worcestershire sauce. Add flour to make a roux, stirring occasionally until the sauce thickens to your desired consistency.
Serve the Mutton Steaks:
Allow the mutton steaks to rest for a few minutes after cooking. Slice against the grain and serve with your sides and sauce. Garnish with fresh rosemary or parsley.