For Chickpea Tikka:

2 cups cooked chickpeas

2–3 garlic cloves, finely minced

½ inch ginger, finely minced

¾ tsp garam masala

½ tsp chili powder

1 tbsp lemon juice

½ tbsp oil

Salt, to taste

For Tikka Masala Sauce:

1 small onion, cut into 8 pieces

4 medium tomatoes, quartered

2–3 whole garlic cloves

½ inch ginger, peeled and cut

¼ cup raw cashews

1 tsp cumin powder

1½ tsp coriander powder

2 tsp oil, divided

½ tsp chili powder

1 tsp garam masala

1 cup water

Salt, to taste