Season chicken with salt and pepper.
Heat oil in a paella pan.
Sear the chicken drumsticks until brown.
Add the chorizo, onions, and garlic into the pan. Sautee until onions are translucent.
Deglaze the pan with white wine.
Add the rice and stir until evenly coated with the oil in the pan.
Add the chicken stock and bring to a boil.
Stir in the pesto and add the bay leaves.
Reduce heat to low, cover, and leave to steam for 17 minutes.