Food & Cooking Recipes Salad Recipes Cucumber, Red Onion, and Dill Salad 3.0 (365) This Cucumber, Red Onion, and Dill Salad is simply refreshing. While English cucumbers are generally seedless, if any seeds remain, simply scoop them out by dragging a spoon down the length of the cucumber. Directions In the bottom of a large bowl, whisk together the vinegar, sugar, and salt. Toss in the cucumbers, red onions, and fresh dill. Cover and chill for at least 15 minutes.