Blend the tuna and egg together until smooth.
Add the flour gradually until the mixture becomes thick and doughy (like a soft paste).
Spoon tiny portions onto a baking sheet lined with parchment paper (you can use a piping bag out onto parchment paper or just your fingers).
Bake at 180°C (350°F) for 10–12 minutes, or until golden.
Let them cool completely before giving them to your cat."
Storage: Fridge: Store in an airtight container for 4–5 days. Freezer: Freeze for up to 1 month. Just thaw before serving.
