01 -
Cook the spaghetti in a large pot of boiling salted water according to package instructions until al dente. Reserve 1/2 cup of pasta cooking water, then drain the pasta.
02 -
In a large skillet over medium heat, cook the bacon slices until deeply crisp. Remove bacon and place on a paper towel-lined plate. When cool, crumble into pieces.
03 -
Drain excess bacon fat, leaving about 1 tablespoon in the pan. Add olive oil if additional fat is needed. Add the sliced mushrooms and sauté for 5 to 7 minutes until well browned.
04 -
Stir in minced garlic and cook for 1 minute until fragrant. Incorporate dried thyme, smoked paprika, and nutmeg, seasoning with salt and pepper.
05 -
Add the canned pumpkin puree to the skillet. Pour in the heavy cream and sprinkle in the grated Parmesan cheese. Gently stir and simmer the mixture for 2 to 3 minutes, allowing the sauce to thicken.
06 -
Return the cooked spaghetti to the skillet and toss thoroughly to coat with the sauce. If needed, add reserved pasta water a little at a time until a silky consistency is achieved.
07 -
Plate the spaghetti and top with crumbled crispy bacon, chopped fresh parsley, and extra Parmesan if desired.