a shallow cut along the back of the shrimp.
You don’t need to cut deeply.
Step 3: Remove the Dark Line
Use the tip of the knife or a clean toothpick to gently lift the dark material.
Pull it away and discard it.
Step 4: Rinse if Needed
If necessary, briefly rinse the shrimp under cold running water and pat them dry.
Avoid unnecessary washing of raw seafood around the kitchen, since splashing can spread bacteria to nearby surfaces.
What About the Underside?
Shrimp can also have a visible line