Butter Chicken

Ingredients: 2 tablespoons of olive oil 1 large leek, chopped 2 cloves garlic, crushed 1 pinch or more of cayenne pepper (optional) 1 teaspoon ground turmeric 1 teaspoon ground cumin 1/2  teaspoon mild paprika 1 teaspoon ground cardamom 1 teaspoon ground coriander 2 teaspoons garam masala 1 teaspoon ground ginger 3 tablespoons tomato paste 800g – 1 kg chicken thigh fillets, cut into cubes [...]