Cut the chicken breast into bite-sized pieces.
Finely chop the onion and garlic.
Heat olive oil in a pan and sauté the garlic and onion.
Add the chicken breast and cook until the surface is cooked.
Pour in the milk and heavy cream, then sprinkle with salt.
Stir and simmer until the ingredients are well mixed.
When the cream thickens, season with pepper.
Serve the finished creamy chicken breast on a plate.