Ingredients

1 cup white-wine vinegar 

1/2 cup sugar 

1 1/4 teaspoons coarse salt 

1 teaspoon whole coriander seeds 

1/2 teaspoon fennel seeds 

1/4 teaspoon whole black peppercorns 

Pinch of crushed red-pepper flakes 

3 sprigs fresh thyme 

10 ounces ramps, trimmed and rinsed well 

Preparation

Stir together vinegar, sugar, salt, coriander seeds, fennel seeds, peppercorns, red-pepper flakes, thyme, and 2 cups water in a medium saucepan. Bring to a boil. Add ramps; return to a boil. Reduce heat, and simmer until tender, 5 to 7 minutes. Remove from heat, and let cool completely, about 1 1/2 hours.