While a shucking knife is always recommended to open oysters, it’s not the only way. If a fresh bivalve opportunity presents itself while you’re without a shucking knife, you might try to break in using one of these alternative methods.
Heat is a great way to open an oyster, and the safest way to do so without a shucking knife. Cook oysters with the cupped side down, and the hinge end towards you. If an oyster gets too hot and pops open, this helps ensure any steam or sharp contents are sent the opposite direction. A closed oyster on a campfire or grill will steam its way open in about 15 minutes.
Hama Hama Oysters shares some grilling tips here.
2. Paring Knife
A paring knife can also open an oyster. Start at the front or side of the oyster (not the hinge) and gently insert the knife between the line where the top and bottom shells meet. Once it starts to open, twist the knife 90 degrees and cut the adductor muscle that connects the top and bottom shells.
A flat head screwdriver is shaped similarly to a shucking knife. Start with a clean screwdriver and gently wiggle the tip into the hinge. The screwdriver will feel “stuck” and secure before the shell pops open. Use both force and care to minimize the chance of breaking the shell. Once opened, twist the screwdriver to pry the shells open further and severe the adductor muscle.
Remember, with any sharp tool, keep the hand supporting the oyster away from the blade’s path if it were to slip forward. To protect your hands, use garden style gloves or a tea towel. If the shucking is hard, you’re probably doing it wrong. Slow down, reposition, and try again. Enjoy!