#1. Prepare tortellini by cooking according to package instructions. #2. Drain well and immediately rinse with cold water and drizzle with a teaspoon of olive oil. Transfer to a large mixing bowl and stir well. #3. Add artichoke hearts, grape tomatoes, cucumber, onion, olives, and feta cheese. #4. Combine salad dressing ingredients in a bowl and use a whisk to beat until well-combined (alternatively, combine all dressing ingredients in a mason jar, seal with a lid and shake well to combine), and pour over tortellini salad ingredients. #5. Stir very well. Cover and refrigerate until ready to serve.