Preheat the oven to 350°F and line an 8x8 square pan with parchment paper.
Add all of the ingredients to a blender and pulse until smooth.
Pour the batter into the prepared pan.
Bake for 35-40 minutes, until the cake is golden and springs back lightly when you push on it.
Let cool before slicing and store in an airtight container for up to a week.
