Cook the penne pasta according to package instructions. Drain and set aside.
Heat the olive oil in a big skillet over medium heat.
Add the thinly sliced chicken breasts to the skillet and cook until browned and cooked through. Remove the chicken from the skillet and set aside.
In the same skillet, add chopped onion and minced garlic. Sauté until the onion is translucent.
Stir in the curry powder, ground turmeric, paprika, and cayenne pepper (if using), cooking for an additional minute to toast the spices.
Pour in the diced tomatoes with their juice, scraping the bottom of the skillet to release any browned bits.
Return the cooked chicken to the skillet and add coconut milk. Stir to combine.
Season the Creamy Chicken Curry mixture with salt and pepper to taste.
Simmer the sauce for about 10 minutes, allowing the flavors to meld and the sauce to thicken.
Serve the Creamy Chicken Curry over the cooked penne pasta.
Garnish with fresh cilantro if desired.
Enjoy this delightful fusion of creamy chicken curry and pasta, a comforting and flavorful dish!