01 - Heat a large, deep skillet over medium heat. Add the reserved sun-dried tomato oil and warm through.
02 - Add minced garlic and sliced sun-dried tomatoes to the pan. Sauté for 2–3 minutes until fragrant, stirring constantly to prevent burning.
03 - Pour in uncooked pasta and vegetable broth. Stir well to combine and bring to a gentle boil. Reduce heat to medium-low and simmer uncovered for 10–12 minutes, stirring occasionally, until pasta is nearly al dente and most liquid is absorbed.
04 - Stir in heavy cream, Italian herbs, red pepper flakes, and fresh spinach. Cook for 2–3 minutes longer, stirring frequently, until spinach wilts and sauce begins to thicken.
05 - Add grated Parmesan and stir continuously until fully melted and incorporated into a creamy sauce. Season generously with salt and black pepper to taste.
06 - Remove from heat and let pasta rest for 2 minutes before serving. This allows the sauce to reach optimal creaminess and cling to the noodles.