Turkey Burgers with Chipotle-Chili Tartar Sauce

• 3/4 cup mayonnaise
• 2 tablespoons extra-virgin olive oil
• 2 tablespoons minced red onion
• 2 tablespoons chopped fresh dill
• 1 tablespoon minced canned chipotle chilies*
• 1 tablespoon drained capers
• 1 pound ground turkey
• 4 whole wheat hamburger buns, split
• 4 red onion slices
• 8 plum tomato slices
• 2 bunches arugula (about 1 ounce)

1. Whisk first 6 ingredients in small bowl.
2. Season with salt and pepper.
3. (Sauce can be made 2 days ahead.
4. Cover and chill.)
5. Prepare barbecue (medium heat).
6. Form ground turkey into four 1/2-inch-thick patties.
7. Sprinkle with salt and pepper.
8. Grill burgers until cooked through, about 5 minutes per side.
9. Grill buns until just toasted.
10. Spread 1 tablespoon sauce on bottom half of each bun.
11. Top each with 1 burger, then 1 more tablespoon sauce.
12. Top each with 1 onion slice, 2 tomato slices, then 1/2 bunch arugula.
13. Cover with bun tops.
14. Serve, passing remaining chipotle tartar sauce separately.
15. *Chipotle chilies canned in a spicy tomato sauce, sometimes called adobo, are available at Latin American markets, specialty foods stores and some supermarkets.

mayonnaise, extravirgin olive oil, red onion, dill, chipotle chilies, capers, ground turkey, whole wheat hamburger buns, red onion, tomato, arugula

Taken from www.epicurious.com/recipes/food/views/turkey-burgers-with-chipotle-chili-tartar-sauce-103912 (may not work)