Clean the chicken drumsticks thoroughly and season with salt and pepper.
Finely chop the onion and garlic.
Heat butter and cooking oil in a pan and sear the drumsticks until golden on both sides.
Remove the drumsticks and sauté the onion and garlic in the same pan.
Add curry powder, sauté on low heat, then add heavy cream.
Return the drumsticks to the pan and simmer in the sauce over medium-low heat until cooked through.
Season with salt and pepper, then plate and serve.