Absolutely Toothsome Dark Marinade:

 

2 inch tamarind
1 dried red chilli
2 dates, pitted

Soak in boiling water

In a blender jar, add the above, plus

2 to 3 tbsp yogurt,
1 tbsp ginger garlic paste
salt, chilli powder, pepper powder, turmeric powder, coriander powder, cumin powder, garam masala,
1 handful kasuri methi (dried fenugreek leaves)

Blend.

To the prepared paneer and veggies, add this paste and the juice of one small lemon. 
Marinate overnight.

Make sure to steam or boil the harder vegetables like cauliflower and baby corn, as well as broccoli (lightly)