Add the olive oil, basil, garlic, red pepper flakes, and pine nuts in a food processor and season to taste with salt and pepper.
½ cup extra virgin olive oil, 2 cups fresh basil leaves, 3 garlic cloves, ¼ tsp. red pepper flakes, ¼ cup pine nuts, Sea salt and freshly ground black pepper
Pulse until smooth.
Pour the pesto over the cubed chicken, toss until well coated, then cover and refrigerate.
2 chicken breasts
Let the pesto-chicken marinate for 2 to 12 hours.
Preheat the grill to medium-high heat.
Thread the chicken on the wood skewers.
Wood skewers soaked in water
Place the kebabs on the preheated grill.
Grill for 10 to 12 minutes, turning every 2 to 3 minutes until thoroughly cooked.