Leftover shrimp in pressure cooker - Set Instant Pot on saute, then add butter so it melts. Add onion and garlic and saute for a few minutes. In a bowl combine broth and half of Old Bay, set aside. Add remaining Old Bay into your pot with butter, then add salt. Mix.
Pour in broth and lemon juiced. Stir to combine. Turn pot off.Now arrange the potatoes in the pot into the broth, then layer the corn pieces on to of those. Place sliced sausage pieces on top of the corn. Sprinkle a bit more Old Bay in now if you'd like. Close the lid and set to pressure cook high for 4 minutes, then do a quick release.
Put leftover shrimp into the pot on top of other ingredients. Set the lid ajar for a few minutes until those are warmed. Serve with squeezed lemon over everything with a side of melted garlic butter.
Leftover shrimp with pasta - Take leftovers out and set on the countertop while you boil pasta to al dente, drain water and put back into your pot with a few tbsp melted butter to coat. Toss leftover shrimp into the mix, place lid on to warm to your liking.
How to microwave leftover shrimp - Place the leftover cooked shrimp in a microwave safe dish with a pat of butter on the top. Cover it with a damp paper towel to help prevent them from drying out. Microwave on high in 30 second intervals, stirring or flipping the shrimp halfway through, until they are heated through.
How to reheat cooked shrimp in a pan - Heat a skillet or frying pan over medium heat and add a small amount of oil or butter. Once hot, add the leftover cooked shrimp to the pan in a single layer. Cook for 2 minutes tossing until warmed.