This tasty keto Lemon Vinaigrette is easy to make, and is a refreshing dressing poured over cruciferous vegetables or your favorite salad. The versatile lemon vinaigrette can also be used as a marinade for roasted sheet pan vegetables and is especially tasty when used to make sheet pan broccoli. This keto, low carb salad dressing can also be used to enhance many fish recipes. Make extra for prep ahead meals.