Best Turkey Burgers | Grilling Recipes | Butter Be Tasty

Ingredients

• 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