Combine all ingredients except the chicken in a glass bowl. Add the chicken thighs and mix until they are well coated. Cover and marinade in the fridge for at least 1 hour.
1/2 cup plain yogurt, 25 ml lemon juice, 1 tsp garam masala, 1/2 tsp chili powder, 1/2 tsp ground coriander, 1/4 tsp paprika, 1/2 tsp salt, 1 garlic clove, 1 cube ginger, Red food colouring, 8 boneless skinless chicken thighs