# What You Need:
→ Pasta
01 - 12 oz fettuccine
→ Vegetables
02 - 7 oz fresh baby spinach, washed and trimmed
03 - 3 cloves garlic, minced
04 - 1 small yellow onion, finely chopped
→ Dairy
05 - 2 tablespoons unsalted butter
06 - 3/4 cup plus 1 tablespoon heavy cream
07 - 1/2 cup grated Parmesan cheese
08 - 1/4 cup cream cheese, optional for enhanced richness
→ Seasonings
09 - 1/2 teaspoon salt, plus additional for pasta water
10 - 1/4 teaspoon freshly ground black pepper
11 - Pinch of nutmeg, optional
→ Garnish
12 - Additional grated Parmesan cheese
13 - Chopped fresh parsley or basil, optional
# Steps:
01 - Bring a large pot of salted water to a boil. Cook fettuccine according to package directions until al dente. Reserve 1/2 cup pasta water and drain.
02 - Melt butter in a large skillet over medium heat. Add chopped onion and sauté for 2 to 3 minutes until softened and translucent.
03 - Stir in minced garlic and cook for 1 minute until fragrant.
04 - Pour heavy cream into the skillet and bring to a gentle simmer. If using, stir in cream cheese until completely melted and smooth.
05 - Add Parmesan cheese, salt, black pepper, and nutmeg if desired. Stir continuously until cheese melts and sauce achieves a creamy consistency.
06 - Add spinach to the skillet and stir constantly for approximately 2 minutes until fully wilted.
07 - Transfer cooked fettuccine to the skillet with the sauce. Toss thoroughly to coat, gradually adding reserved pasta water as needed to achieve desired sauce consistency.
08 - Transfer to serving plates immediately. Top with additional Parmesan cheese and fresh herbs if desired.