Pick berries and put straight into the fridge. If you pick them when the temperature is warmer, you will want to chill them before rinsing. If the berries are warm, they will fall apart until the pressure of the faucet.

Rinse berries, removing all leaves, bugs, and dirt.

Lay out to let air dry from a few minutes to reduce the amount of extra water.

Place berries in a mason jar.

In a large saucepan, bring vinegar and sugar up to a simmer, stirring constantly.

Heat until all sugar is dissolved. Do not boil.

Pour hot vinegar over berries in mason jar.

Tightly crew on lid and metal band.

Put jar in dark space for 48-72 hours.

Transfer to vinegar bottle by straining berries using a cheesecloth.

Store in a dark place.