If using frozen onion, use about 160g (6oz). For a creamier texture, add extra crème fraîche. Chicken thighs can be substituted but may require longer cooking. Freeze before adding the crème fraîche for best results. Serve with rice, naan, poppadoms, or raita.
Keyword crockpot curry, easy dinner, fakeaway, slow cooker, tikka masala