Put all of the dry ingredients (flour, baking powder, baking soda, lemon zest, coconut sugar and poppy seeds) in a bowl and mix them.
Add plantbased milk, lemon juice and coconut oil and mix well with a whisk or hand mixer.
Pour into a baking dish (30 cm x 11 cm) lined with baking paper.
Bake for 30 minutes in a preheated oven at 180 °C.
Once the cake is baked, place it on a cooling rack and let it cool down a bit, then pour coconut yoghurt over it if desired.