Creating Quick Mushroom Spaghetti can be accomplished with just a few simple steps. Follow these instructions for a delicious dish:

1. Cook the Spaghetti: Bring a pot of salted water to a boil. Add the spaghetti and cook according to package instructions, or until al dente. Preserve about 1/2 cup of pasta water before draining.

2. Sauté the Mushrooms: In a large skillet, heat olive oil over medium heat. Add the sliced mushrooms and cook for about 5-7 minutes, or until they are tender and lightly browned.

3. Add Garlic and Seasoning: Stir in the minced garlic and red pepper flakes (if using). Sauté for an additional 1-2 minutes until fragrant.

4. Incorporate Broth: Pour in the vegetable or chicken broth, and bring it to a simmer. Allow it to cook for about 3-5 minutes to reduce slightly. Season with salt and pepper to taste.

5. Combine and Serve: Add the drained spaghetti to the skillet, tossing to combine with the sauce. If the pasta seems dry, gradually add reserved pasta water until the desired consistency is reached. Finally, garnish with fresh parsley and grated Parmesan cheese, if desired.

Follow these easy steps, and you will have a plate of Quick Mushroom Spaghetti that is both mouthwatering and satisfying!