As a compare and contrast, then:
Waitrose Butter chicken 400g
Butter sauce (60%), cooked chargrilled chicken (40%), Butter sauce contains tomatoes (66%), single cream (9%), butter (4%), tomato purée (4%), jaggery (2%), garlic purée, ginger purée, water, fresh chopped coriander, rapeseed oil, salt, paprika, green chilli purée, chilli powder, fenugreek, Cooked chargrilled chicken contains chicken breast (85%), water, rapeseed oil, single cream, yogurt, garlic purée, ginger purée, cornflour, paprika, lemon juice, garam masala, chilli powder, cumin, fenugreek, Garam masala contains coriander, cumin, cinnamon, ginger, chilli, black pepper, clove, nutmeg, cardamom, bay leaf
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Pataks sauce butter chicken 500g
Water, Onion, Cream (10%), Tomato (9%), Unsalted Butter (7%), Vegetable Oil, Sugar, Concentrated Tomato Purée (3%), Modified Maize Starch, Spices (contains Mustard), Garlic, Ginger, Salt, Natural Smoked Paprika, Cardamom, Lactic Acid, Dried Fenugreek Leaf, Colour: Paprika Extract, Citric Acid
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Waitrose Chicken tikka makhani 400g
Makhani sauce (60%), cooked marinated chicken (40%), Makhani sauce contains tomatoes (37%), onion purée, water, single cream (11%), honey (2%), rapeseed oil, butter, cashew nut purée, ginger purée, tomato purée, garlic purée, paprika, fresh chopped coriander, sugar, salt, garam masala, fresh green chillies, chilli powder, cardamom, fenugreek, turmeric, Cooked marinated chicken contains chicken breast (85%), water, rapeseed oil, single cream, yogurt, garlic purée, ginger purée, cornflour, paprika, lemon juice, garam masala, chilli powder, cumin, fenugreek, Garam masala contains coriander, cumin, cinnamon, ginger, chilli, black pepper, clove, nutmeg, cardamom, bay leaf