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Preheat your oven to 180°C (350°F).
Grease a baking dish or line it with parchment paper.
Pour half of the batter into the dish and spread it evenly.
Add the tuna filling on top and spread it out gently.
Pour the remaining batter over the filling, covering it completely.
4. Bake
Bake in the preheated oven for about 35–40 minutes, or until the top is golden brown and a toothpick inserted comes out clean.
Serving and Storage Tips
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