Pickle Relish

Toss cucumber and onion w 3/4 tsp salt in a sieve set over a bowl and drain 3 hours. Discard liquid. Wrap veggies in a non-terry kitchen towel and wring out as much liquid as possible. Bring vinegar, sugar and 1/4 tsp salt to boil in small, heavy saucepan, stirring until sugar has dissolved, then boil until reduce to about 1/2 c, 3-4 min. Add veggies and simmer, stirring, 2 min. Stir cornstarch mix, then stir into relish. Simmer, stirring, 1 min. Transfer to bowl and chill, uncovered about 1 1/2 hours.

Cucumber 2 c finely chopped Kirby (about 3)
Onion 1/2 c finely chopped
Vinegar 1/2 c white
Sugar 1/4 c
Cornstarch 1 tsp dissolved in 1 tsp water