01 - Preheat oven to 375°F. Line a baking dish with parchment paper or lightly grease.
02 - Heat 1 tablespoon olive oil in a skillet over medium heat. Sauté garlic and chopped spinach until wilted, about 2 minutes. Remove from heat.
03 - In a bowl, mix the sautéed spinach, cream cheese, feta cheese, and chopped cranberries. Season with 1/4 teaspoon salt and 1/4 teaspoon pepper. Stir until fully combined.
04 - With a sharp knife, carefully cut a horizontal pocket into the thickest side of each chicken breast. Do not cut all the way through.
05 - Evenly spoon the spinach and cheese filling into each chicken breast pocket. Secure the edges with toothpicks if necessary.
06 - In a small bowl, mix paprika, dried thyme, 1/2 teaspoon salt, and 1/4 teaspoon black pepper. Brush chicken breasts with 1 tablespoon olive oil, then sprinkle the seasoning mixture over all sides.
07 - Place the stuffed chicken breasts in the prepared baking dish. Bake for 25 to 30 minutes or until chicken is cooked through and juices run clear. Internal temperature should reach 165°F.
08 - Carefully remove toothpicks, allow the chicken to rest for 5 minutes before serving.