Chicken Tikka

6 garlic cloves, finely grated 4 teaspoons finely grated peeled ginger 4 teaspoons ground turmeric 2 teaspoons garam masala 2 teaspoons ground coriander 2[...]

3/4 teaspoon cumin seeds, toasted 3/4 teaspoon coriander seeds, toasted 2 cups whole-milk yogurt 4 garlic cloves, chopped 1 (1 1/2-inch) piece fresh ginger,[...]

For the chicken: 1 1/2 pounds boneless, skinless chicken breasts (3 to 4 breast halves total) 1/4 cup plain whole-milk Greek-style yogurt 2 tablespoons peanut[...]