- Whisk together lemon juice, mustard, honey, salt, garlic and oregano in a large bowl.
- Slowly drizzle in olive oil, whisking constantly.
- Remove 1/4 cup dressing and set aside and reserve.
- Add crab meat, artichokes, olives and roasted peppers to remaining dressing in mixing bowl.
- Place arugula and spinach into a large bowl. Drizzle reserved dressing over and mix lightly till leaves are evenly coated.
- Season to taste with salt and black pepper.