Wash cauliflower and cut into small florets.
Place cauliflower florets into a large bowl.
Add red bell pepper, cucumber, onion, and tomatoes.
Add black olives for Mediterranean flavor balance.
In another bowl, whisk olive oil, lemon juice, and vinegar.
Add oregano, garlic powder, salt, and pepper to dressing.
Pour dressing over cauliflower mixture.
Toss salad gently to coat evenly.
Add fresh parsley and mint for garnish.
Cover bowl and refrigerate for 1-2 hours.
Serve chilled for best flavor experience.