Melt the butter with oil in a large pan, then add the curry powder, sauté a little until it smells fragrant. Add the chopped onion and the chopped garlic, sauté until translucent.
Pour in the broth and grate the two apples into the broth on a coarse grater.
Pour the coconut milk into the pan and simmer for 10 minutes. Add the diced chicken and simmer for another 15-20 minutes. Finally season with salt and pepper.