- 1/2 cup olive oil
- 1/4 cup red wine vinegar
- 1 (.7 ounce) package dry Italian salad dressing mix (such as Good Seasons®)
- 3 heads broccoli, cut into florets
- Combine olive oil, red wine vinegar, and Italian dressing mix in a sealable container; shake vigorously.
- Place broccoli in a plastic storage container, cover with marinade, and refrigerate, stirring occasionally, for at least 3 hours.