1️⃣ Preheat your oven to 350°F (175°C). 🔥

2️⃣ Sauté the onion in olive oil and butter over medium heat for about 3-4 minutes until softened. 🧅

3️⃣ Add the minced garlic and chopped spinach to the pan, and sauté for another 5 minutes, until there is no liquid remaining. Season with salt and pepper to taste. 🧄🌱

4️⃣ Transfer the spinach mixture onto a plate and place it in a cold place for a few minutes to cool slightly. 🌬️

5️⃣ In a separate bowl, prepare the egg mixture by whisking together the eggs, feta cheese, Parmesan cheese, and chopped dill. 🥚🧀🌿

6️⃣ Combine the cooled spinach mixture with the egg mixture, stirring until well combined. 🍳

7️⃣ Divide the filling between the 15 Fillo shells. 🥧

8️⃣ Bake the Spanakopita Bites in the preheated oven for 15 minutes. ⏳

9️⃣ Let cool slightly before serving. Enjoy your Spanakopita Bites warm! 😋