Preheat the oven to 355F / 180C / 160 fan.
Add the butter and almond milk to a pan and simmer until slightly warm (don’t allow it to boil). (Option to microwave if you prefer). Allow to cool for 1 minute and add the egg yolks, yogurt, vanilla and lemon juice. Whisk with a hand balloon whisk to combine.
Place all the dry ingredients in a clean mixing bowl and stir.
Add in the egg yolk mix and whisk with the electric whisk until combined.
Whisk the egg whites in a clean mixing bowl using an electric whisk until thick and stiff peaks form.
Gently fold the egg whites through the lemon pound cake batter, or lightly beat with an electric whisk until smooth. Try not to over whisk so that batter doesn’t deflate.
Spoon the mixture into a grease proof lined tray (4 by 8 in) and bake for about 40 minutes or until you can insert and remove a skewer without crumbs sticking. Note: After 30 minutes loosely cover with a sheet of tin foil (don’t seal around the tray) this will prevent the top over browning whilst the cake continues to cook and firm up.
Remove the tin foil and allow to cool for 10 minutes in the tray and then on a wire rack before slicing. Note: These easy Keto Lemon Pound Cake Bars will firm up when cooled so try not to over-bake.
Storage: Tupperware in the fridge for up to 5 days