Chop basil leaves and onion.
Heat olive oil in a pan and sauté the onion.
Add the rice and stir-fry for 2-3 minutes.
Pour in white wine and let it reduce.
Add warm chicken stock gradually, cooking the rice as you go.
Mix in heavy cream, Parmesan cheese, and basil leaves.
Season with salt and pepper to taste.
Serve on a plate and garnish with basil leaves and cheese.