01 - Melt butter in a large skillet over medium heat. Add diced onion and cook 2-3 minutes until translucent.
02 - Stir in minced garlic and cook for 1 minute until fragrant.
03 - Add orzo pasta to the skillet, stirring constantly for 1 minute to lightly toast.
04 - Add chopped sun-dried tomatoes and pour in vegetable broth. Bring to a simmer.
05 - Cook orzo for 8-10 minutes, stirring occasionally, until al dente and most liquid is absorbed.
06 - Pour in heavy cream, dried thyme, and chili flakes. Simmer 2-3 minutes until sauce thickens.
07 - Fold in baby spinach and Parmesan cheese. Stir until spinach wilts and cheese melts completely. Season with salt and pepper.
08 - Remove from heat. Serve immediately, garnished with fresh basil and extra Parmesan if desired.