Can I use frozen shrimp?
Yes. Thaw in the fridge overnight, or quick-thaw in a bowl of cold water for 10 to 20 minutes (for larger shrimp it may take closer to 15 to 25). Swish them around once and change the water if it gets icy. Pat them very dry before cooking so they sear instead of steaming.
What size shrimp should I buy?
Large shrimp (around 31 to 40 count per pound) are ideal for weeknights. Jumbo works too, just cook until they are opaque and cooked through (usually 1 to 3 minutes longer total, depending on heat). Tiny shrimp cook so fast they are easy to overdo.
Should the shrimp be raw or pre-cooked?
Use raw shrimp for this recipe. Pre-cooked shrimp will turn rubbery fast because they are basically getting cooked twice.
How do I know shrimp are cooked?
They turn pink and opaque with no gray or translucent centers. A loose “C” shape is a helpful clue, but not a perfect rule. If you like a number, aim for about 145°F / 63°C at the thickest part.
My sauce tastes flat. What do I do?
Add a pinch of salt, a squeeze of lemon, and a little more zest if you have it. Acidity and salt are the fastest way to wake up a butter-based sauce.
My sauce looks broken or too thin. Can I fix it?
Yes. If it looks a little split, take the pan off the heat and whisk in 1 tablespoon cold butter until glossy again. If it is too thin, simmer it for 1 to 2 minutes to reduce, or add a small splash of pasta water if you have it.
Can I make it creamy?
Absolutely. Stir in 2 to 4 tablespoons of heavy cream at the end and keep the heat low. You can also add a small handful of Parmesan, but do it off the heat to keep it smooth.
Is this very spicy?
Only if you want it to be. Start with a small pinch of red pepper flakes, taste, then decide if you want more heat.