Boil 2 liters of water with lemon halves, bay, peppercorns, and a fistful of salt; kill the heat, add the shrimp, and poach OFF the flame 3–4 minutes until just pink and curled loose.
4 min — timer available in cooking mode
Why this works
Off-heat poaching cannot rubberize shrimp. It is the gentlest cooking there is.