Pickling the eggs in their cracked but intact shells creates a unique tie-dye effect on each one.
1 cup distilled white vinegar
2 tablespoons kosher salt
2 tablespoons light brown sugar
One of the following depending on desired color: 2 small red beets, shredded on a box grater, 2 tablespoons ground turmeric, or 1 cup blackberries
6 unpeeled Hard-Boiled Eggs
Heat vinegar, salt, brown sugar, and 1 cup water with desired coloring ingredient in a small saucepan over medium until hot. Remove brine from heat.
Gently tap eggs to crack shell all over but keep intact. Carefully add eggs to brine and chill at least 8 hours and up to 3 days.
Remove eggs from brine and peel.