01 -
Bring a large pot of salted water to a boil. Add rigatoni and cook until al dente according to package instructions. Drain well and set aside.
02 -
In a large skillet over medium heat, melt butter. Add chopped onion and minced garlic, sautéing until onion turns translucent and soft, about 3–4 minutes.
03 -
Reduce heat to medium-low. Stir in pumpkin puree, chicken broth, heavy cream, sour cream, nutmeg, salt, and black pepper. Whisk to fully combine.
04 -
Allow pumpkin sauce to simmer for 10 minutes, stirring occasionally, until slightly thickened and flavors meld.
05 -
Add the drained rigatoni to the skillet. Stir gently and simmer for 2 to 3 minutes, letting pasta absorb the sauce and thicken.
06 -
Remove from heat. Garnish with grated Parmesan and fresh parsley before serving.