Preheat the oven to 170°C (338°F).
In a bowl, mix almond flour, baking powder, and salt.
In another bowl, combine eggs, olive oil, erythritol, lemon juice, lemon zest, and Greek yogurt. Mix well.
Pour the wet ingredients into the dry ingredients and mix until combined.
Pour the batter into a pound cake mold and smooth the surface.
Bake in a 170°C (338°F) oven for 30–35 minutes.
After cooling, remove from the mold and cut into pieces.