01 - Heat a large, deep skillet or sauté pan over medium heat. Add the reserved sun-dried tomato oil and swirl to coat the bottom of the pan.
02 - Add the minced garlic and sliced sun-dried tomatoes to the hot oil. Sauté for 2–3 minutes, stirring frequently, until fragrant and the garlic is lightly golden.
03 - Pour in the uncooked pasta and vegetable broth. Stir well to combine and ensure pasta is submerged. Bring the mixture to a gentle boil over medium-high heat.
04 - Reduce heat to medium-low. Simmer uncovered for 10–12 minutes, stirring occasionally to prevent sticking, until pasta is nearly al dente and most of the liquid has been absorbed.
05 - Stir in heavy cream, Italian herbs, red pepper flakes, and fresh spinach. Cook for another 2–3 minutes, stirring occasionally, until spinach wilts and sauce begins to thicken.
06 - Sprinkle in grated Parmesan cheese, stirring continuously until fully melted and incorporated into a velvety sauce. Season generously with salt and black pepper to taste.
07 - Remove from heat and let the pasta rest for 2 minutes, allowing the sauce to reach optimal creaminess. Serve immediately while hot.