Make the sauce by mixing together sweet Thai chili sauce, mayonnaise, lime juice, and sriracha. Set aside.
Cook spaghetti noodles according to direction on box and then drain.
Meanwhile, season the shrimp with salt, pepper, and paprika. Melt the butter in a 12 inch pan and add the shrimp. Cook over medium heat 1-2 minutes per side, until shrimp are pink and curl into a "C" shape. adding the garlic the last 30 seconds.
Turn off the heat and add the pasta and sauce and toss together. Sprinkle with cilantro and chili flakes.
Video
Notes
Refrigerate leftovers for up to 2 days. Avoid freezing the sauce as it will separate when thawed.
Consume within 2 days, and reheat gently on the stovetop or 50 percent microwave heat to prevent the shrimp from drying out and toughening.