Preheat oven to 175°C. Line 20cm square or round pan.
Mix flour, cocoa, baking powder, baking soda, and salt.
Blend applesauce, date paste, plant milk, vanilla, and vinegar until smooth.
Fold wet into dry until just combined - don't overmix.
Pour into pan. Bake 35-40 minutes until toothpick comes out clean.