01 -
In a medium bowl, whisk together olive oil, minced garlic, lemon juice, lemon zest, dried oregano, dried thyme, salt, and black pepper until fully combined.
02 -
Place the chicken breasts in the base of the slow cooker in a single layer.
03 -
Pour the prepared lemon-garlic marinade evenly over the chicken breasts, ensuring each piece is coated.
04 -
Cover and cook on low for 6–7 hours or on high for 3–4 hours until the chicken is thoroughly cooked and exceptionally tender.
05 -
Transfer the cooked chicken to serving plates. Garnish with chopped fresh parsley and, if desired, lemon slices. Serve immediately with a side such as rice or a light salad.