1 med. onion, sliced thin
1 lg. (or 2 smaller) cucumbers, scrape stripes and slice thin
1/2 c. vinegar
5 tbsp. water
5 tbsp. sugar
1/2 tsp. salt
Ground pepper to taste

Mix onion and cucumber. In separate bowl, mix vinegar, water, sugar, salt, and pepper. Pour over onions and cucumbers. Cover and refrigerate 24 hours before serving.