- Preheat barbecue to medium. Whisk egg with Dijon, Worcestershire and salt in a large bowl. Season with fresh pepper. Add beef. Gently mix together. Shape into 4 burgers, each about 1/2 in. thick. Press a shallow depression in centre of each to help keep their shape while cooking.
- Oil grill and barbecue burgers, lid closed, until cooked through, 5 to 7 min per side. Stack patty, 2 tbsp Greek-Yogurt-Chipotle Sauce, avocado, mâche, peppers and sprouts between buns.
1/2 cup plain Greek yogurt
2 tbsp finely chopped chipotle peppers in adobo sauce
1/4 tsp Dijon mustard
1/8 tsp salt
Stir yogurt with chipotle, Dijon and salt in a bowl. Season with pepper.
Makes 1/2 cup | Per tbsp 14 calories, 2 g protein, 2 g carbs, 82 mg sodium.