Greek Lamb Burgers With Spinach and Red Onion Salad
- Mix first 4 ingredients and 1 1/2 tablespoons oil in medium bowl; mix in lamb. Shape into four 3/4-inch thick patties. Cook patties in large nonstick skillet over medium-high heat for 4 minutes per side for medium.
- Meanwhile, preheat broiler. Broil buns until golden, about 2 minutes. To each bun bottom with burger.
- Toss spinach, feta, onion, vinegar, and 1 1/2 tablespoons oil in bowl. Place salad atop burgers. Cover with bun tops, pressing firmly to compact.