Preheat oven to 350 F.
In a bowl, add almond flour, flaxseed meal, poppy seeds and erythritol.
Mix together using a spoon or a spatula.Melt butter then add it in the same bowl.
Add heavy cream and eggs then mix all together until smooth.
Then add the vanilla, baking powder, lemon zest, lemon juice and stevia liquid (if using).
Mix well.Distribute the batter between cupcake molds.
Bake for 20 minutes until you see the muffins rise and turn slight brown.
Check to make sure they don’t burn.
Once cooked, remove from the oven, let cool down and enjoy!