Add all ingredients to a large bowl and toss to coat.
Transfer to a glass container with a lid and refrigerate at least 8 hours before serving so the flavors can blend (24 hours is better!).
Notes
Storage: Store in an airtight container in the fridge for up to 2 weeks in the fridge.
Serving Size: If using medium-sized olives, each serving is about 10 olives.
Net Carbs: Even if you use regular granulated sugar (instead of a keto sugar replacement), each serving only has 0.9 grams of net carbs (each serving is 10 olives).