- Prep the Cucumbers
In a bowl, toss sliced cucumbers and onions with salt. Cover and let sit for 15–30 minutes. - Drain Excess Liquid
Transfer mixture to a colander and drain, stirring occasionally, until most moisture is gone (15–30 minutes). - Make the Dressing
In a large bowl, whisk together mayonnaise, vinegar, sugar, dill, garlic powder, and pepper until smooth. - Combine & Chill
Add drained cucumbers and onions to the dressing. Stir to coat evenly. Taste and adjust salt if needed. - Chill & Serve
Cover and refrigerate for at least 1 hour before serving. Enjoy cold!