Place the yogurt, pesto, lemon juice, garlic, salt and pepper in a large mixing bowl.,
STEP 2
Mix until well combined. Add the chicken breasts and toss to fully coat. Cover the bowl and refrigerate for at least 1 hour, preferably overnight for the best flavor.,
STEP 3
Preheat the grill to medium-high heat. Oil the grill grates to prevent sticking.,
STEP 4
Place the marinated chicken on the grill and cook for 5-7 minutes per side. Use tongs to flip over and cook until juices run dry, approximately 5-7 more minutes, or until the chicken is cooked through and has an internal temperature of 165°F.,
STEP 5
Remove the chicken from the grill and allow it to rest for 5 minutes. Serve with lemon wedges and your favorite sides.