Combine vinegar, brown sugar, salt and all spice in a medium microwave safe bowl.
Microwave on high for 3-4 minutes or until the mixture boils. You can also bring the mixture to a boil in a saucepan on the stove.
Add onions and toss to coat.
Let stand for at least 30 minutes.
Turkey Burgers
Combine the turkey, parsley, cumin, pepper, salt and all spice in a large bowl.
Mix until combined; form mixture into four patties.
Brush patties with canola oil and grill until internal temperature reaches 165 degrees.
Top with cheese and serve on buns.
Christina's Notes
Different Oil: Try using olive oil or avocado oil or any high smoke point oil. Try not to use cooking spray as some grill manufactures do not recommend.
Add your Favorites: Add lettuce, tomato, pickles, ketchup or mustard to this easy turkey burgers recipe.
Variation Tip: Grated onion can be used if you don't want big slices in this healthy grilled turkey burger recipe.
Alternate Ingredient: A splash of worcestershire sauce will add a fantastic umami flavor to your moist and flavorful ground turkey meat.
Other Cooking Method: You might be wondering how to cook turkey burgers on the stove. Feel free to make the best-ever turkey burgers inside with your favorite grill pan.
Prep the Grill: Preheat the grill to medium-high and grease the grill grates so that the turkey burgers don't stick and fall apart on the grill.
Tip: Place the turkey burgers on the grill but don't press down the center of each patty in this easy recipe like you would for regular beef burgers.