Preheat oven to 350F. Line muffin trays with paper cups.
In a large bowl, add almond flour, erythritol, and poppy seeds. Mix together evenly
Stir in butter, eggs, heavy cream. Next add baking powder, vanilla, stevia, lemon zest, and lemon juice. Use an electric beating to blend together on low power
Divide batter between 12 muffin molds. Bake for 20 minutes or until golden brown
Remove from oven and from baking mold. Let it cool for 10 minutes then enjoy