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.
Remove from heat and allow to cool. In a large bowl, combine the chicken, remaining Greek yogurt, cottage cheese, cooled hot sauce mixture and shredded mozzarella until combined. Add 4 tablespoons ...