Preheat: This is for the best result, start with your oven and preheating it to 350°F (175°C) and line a loaf pan with parchment paper.
Cream: In a large bowl add Softened Butter and your keto Sweetener, cream until it is light, fluffy and smooth.
Add Eggs: Carefully crack in the eggs, one at a time and stirring well after each addition to combine until you have smooth batter.
Combine Dry Ingredients: In a separate bowl, mix 1cup almond flour, coconut flour, baking powder and pinch of salt.
Combine: Gently mix the dry ingredients into the wet. Add heavy cream and vanilla extract; beat to just combine.
Bake: Pour the batter into the greased loaf pan and bake for 40-45 minutes or until golden in colour.
Cool: Leave the cake to sit for 10 minutes at least before you cut it and eat!