Variations: Substitute spinach with kale or arugula for a different flavor.

Add more feta or goat cheese for a creamier burger.

Include crushed red pepper flakes or jalapeños for a spicy kick.

Swap ground turkey for ground chicken or lean beef if preferred.

Try different sauces like hummus, pesto, or garlic yogurt sauce.

Store cooked patties in an airtight container in the refrigerator for up to 3 days.

Reheat gently in a skillet over low heat or in the oven at 350°F (175°C) for about 10 minutes.

Freeze patties for up to 2 months; thaw overnight in the fridge before reheating.

Use thawed and drained frozen spinach to avoid soggy burgers.

Bake at 375°F (190°C) for 20-25 minutes, flipping halfway, as an alternative to grilling or pan-frying.

Use goat cheese or mozzarella if feta is unavailable, though feta is recommended for best flavor.