Strawberry Spinach Salad
- Add the poppy seeds, sugar, olive oil, and vinegar to a mason jar. Secure the lid and shake well to combine. Refrigerate an hour to up to 7 days.
- Combine the spinach, strawberries, pecans, and red onion slices (if using) in a large salad bowl or on a platter. Pour the dressing over salad, and lightly toss. Refrigerate about 10 minutes before serving.