In a bowl mix the oat flour, oats, baking powder and salt. Stir well.
Add the coconut oil, honey and lemon zest to the mixture. Stir until well mixed.
In an oiled mold or with parchment paper, put ⅔ of the mixture and spread. With the help of a spoon, press down to make it compact.
In another bowl, mix all the ingredients for the berry filling layer. Stir until everything is incorporated.
Put the mixture on the oat base in the mold. Then over the filling put the third of the remaining oat mixture and press again with the help of a spoon.
Using the Instant Vortex panel, press Bake , set the time to 18 Minutes and the temperature to 180°C . Press Start .
Once the Add Food screen appears , insert the mold and close the tray.
When the time is up, take out the mold. Let cool and then cut into squares or rectangular bars.