The White Infusion: Place onions, cashews, melon seeds, ginger, garlic, chilies, and whole spices in a pot with hot water. Boil for 10–12 minutes until onions are translucent and soft.
The Clean Puree: Drain the water. Crucial: Remove the bay leaves, cinnamon, and black cardamom. Blend the remaining ingredients (including the green cardamoms) into an ultra-smooth, pale paste.
The Searing: Heat a non-stick pan with a drop of oil. Sear the paneer cubes for 2 minutes per side until they develop a light golden crust. Set aside.
Developing the Sauce: In a clean pan, melt butter and oil. Sauté ginger matchsticks and cilantro stems. Pour in the white puree.
The Pepper Kick: Add salt, sugar, and a generous amount of freshly cracked black pepper. Add a splash of hot water to adjust the thickness. Simmer on low heat for 8–10 minutes.
Integration: Fold in the seared paneer cubes gently. Sprinkle with roasted dried fenugreek and a tiny pinch of garam masala.
Final Simmer: Cook for 2 more minutes until the gravy is velvety and clings to the cheese.