In a mixing bowl, whisk together eggs, sweetener, and vanilla until well combined.
Add coconut milk, desiccated coconut and a pinch of salt. Stir until fully mixed.
Refrigerate the batter for 30 minutes to firm it up.
After chilling, add baking powder to the batter and mix thoroughly.
Preheat oven to 350°F (175°C). Grease and line an 8x8-inch baking pan.
Pour the batter into the prepared pan and spread it evenly.
Bake for 30-35 minutes until the top is golden brown.
Allow the cake to cool completely before cutting into squares.