The chicken can be marinated for up to a day ahead if you wish to prepare this dish. When you are ready to cook, lay the drumsticks single file in the roasting tin and then pour the remaining ...
Make the marinade: In a medium bowl, whisk together yogurt, garlic, vinegar, paprika, red pepper flakes and salt. Spatchcock the chicken: Place chicken, breast-side down, on a cutting board.
To serve, divide chicken and marinated avocado between four plates. Spoon radish salad over the avocado and drizzle everything with any remaining dressing.