Here is a recipe published in a village magazine from a local Indian restaurant called Dine Asia. It doesn't use a base sauce as we know it but has one of sorts incorporated into it.
Ingredients
4 boneless chicken breasts, cut into cubes
2tbsp Ginger garlic paste
1 tbsp red chilli powder
5 tbsp mustard oil
1 tsp coriander powder
1 tsp cumin powder
1tsp Garam Masala
100 ml Greek yogurt
Salt as per taste
Sauce ingredients
4tbsp vegetable oil
2 large onion cut into slice
1 tbsp ginger garlic paste
100ml water
25gm carrot slice
25gm red capiscum slice
50gm almond powder
40gm coconut powder
100ml single cream
50gm butter
3tbsp sugar
Method
1. Mix all of the ingredients with chicken in a bowl and cover and leave overnight in the fridge to absorb all the delicious flavours.
2. Preheat a conventional oven to 220c for 5 minutes.
3. Place the chicken tikka and spread it evenly on a baking tray and place the baking tray in the oven and cook for 10 minutes.
4. In a saucepan heat oil until it smoking hot then add onion capiscum slices, ginger and garlic paste. Saute for 2-3 minutes.
5. Now add water and cover saucepan with lid and simmer for 2-3 minutes.
6. Then add almond, coconut powder, butter, salt and sugar and cook for 3-4 minutes stirring well.
7. Transfer the sauce to a food processor and blend until puree smooth.
8. Add the blended sauce and the chicken tikka from the oven and cook on a low heat for a further 5 minutes.
9. Finally add the cream and cardamom powder before serving.