BEST TURKEY BURGERS
1 1/4 pounds lean ground turkey
1 1/2 cups packed fresh spinach
4 ounces crumbled feta cheese
2 cloves garlic, minced
1/4 cup Italian seasoned bread crumbs
2 teaspoons Worcestershire sauce
1/4 teaspoon black pepper
1 1/2 tablespoons extra-virgin olive oil
4 hamburger buns, toasted
mayonnaise, for serving
cucumber slices, for serving
thin red onion slices, for serving
