Bring a large pot of salted water to a boil for the pasta. In a large pot, melt the butter over medium high heat. Add the chicken, salt, pepper, garam masala, chili powder, cumin, turmeric, and cayenne. Sauté until the chicken is mostly cooked through. Turn the heat to medium low.
1 Tablespoon unsalted butter, 1 ½ pounds boneless skinless chicken thighs*, 1 ½ teaspoons salt, ½ teaspoon pepper, 2 teaspoons garam masala*, 1 teaspoon chili powder, ½ teaspoon EACH cumin & turmeric, 12 ounces short cut pasta, pasta water reserved, ¼ teaspoon cayenne pepper
Add the onion and sauté for 3-4 minutes.
1 yellow onion, diced
Add the tomato, honey, ginger, and garlic. Sauté for 1-2 minutes.
⅓ cup tomato paste, 1 Tablespoon honey*, 1 1/2 teaspoon ginger paste or grated fresh ginger, 5-6 cloves garlic, pressed or minced
Add the cream. Scrape any brown bits off the bottom of the pan. Bring to a simmer. Cover and cook on low for 10-12 minutes, stirring occasionally.
1 cup heavy cream or half and half
While the sauce simmers, boil the pasta according to the package instructions. Reserve about 1-2 cups of pasta water.
Toss the pasta in the sauce. Add about 1/2 cup of pasta water to loosen the sauce. Thin the sauce with more pasta water as needed.