Converting these Spinach Zucchini Frittata Fingers into a treat is incredibly easy and equally tasty. Just substitute the whole wheat flour with your gluten-free option. Almond coconut or rice flour are great choices. Each one adds its flavor and texture elevating the dish while still being completely gluten-free friendly. This simple adjustment guarantees that everyone, irrespective of their preferences can savor the flavors of this cherished recipe packed with wholesome veggies.