Asparagus with Mustard Sauce

• 1 1/2 lbs (675g) asparagus
• 2 tbsp chopped red onion
• 1/4 cup olive oil
• 1 tbsp white wine vinegar
• 1 tbsp Dijon mustard
• 2 tbsp plain Greek-style yogurt
• 1 tsp finely chopped tarragon
• Salt and freshly ground black pepper

1. Snap off the tough ends of the asparagus.
2. Peel the lower half of each asparagus with a vegetable peeler.
3. Fill a large frying pan with enough water to come 1/2 in (1 1/2 cm) up the sides and bring to a simmer.
4. Add the asparagus.
5. Cover, and cook 34 minutes, or until just tender.
6. Drain and rinse under cold running water.
7. Pat dry with paper towels.
8. Refrigerate while making the sauce.
9. For the sauce, whisk the oil, vinegar, mustard, and tarragon together in a bowl.
10. Whisk in the yogurt until smooth.
11. Season with salt and pepper.
12. Divide the asparagus among salad plates.
13. Top with the mustard sauce and sprinkle with the red onion.
14. Serve immediately.
15. Variation:
16. Asparagus with Creamy Garlic Sauce: Combine 1/2 cup plain yogurt, 1 tbsp chopped chives,1 garlic clove, 1/2 tsp finely grated lemon zest, and a pinch of cayenne pepper in a bowl.
17. Chill, covered, for at least 2 hours.
18. Remove the garlic before serving.

asparagus, red onion, olive oil, white wine vinegar, mustard, yogurt, tarragon, salt

Taken from www.cookstr.com/recipes/asparagus-with-mustard-sauce (may not work)