Steps
1. In a skillet, melt margarine over medium heat.
2. Add minced garlic and red pepper flakes, sauté for 1-2 minutes.
3. Season shrimp with salt and pepper, then add them to the skillet. Cook until shrimp turn pink, about 2-3 minutes per side.
4. Toss in the cooked pasta and mix well to coat with the garlic butter sauce.
5. Serve hot, garnished with fresh parsley.