Preheat the Oven: Preheat the oven to 350°F (175°C) and line a muffin tin with paper or silicone liners.
Mix the Dry Ingredients: In a large bowl, combine the almond flour, erythritol, cinnamon, baking powder, salt and nutmeg if you’re using and mix together.
Combine the Wet Ingredients: In a separate bowl, combine the eggs, melted butter, almond milk and vanilla extract and beat until combined.
Mix Wet and Dry Together: Add the wet ingredients to the dry and gently mix until a lumpy batter forms. Do not over-mix.
Fill the Muffin Tin: Divide the batter among the muffin cups (which should be filled about ¾ full).
Bake: Bake for 18–20 minutes or until a toothpick inserted in center comes out clean.
Cool and Serve: Cool muffins in pan for 5 minutes, then transfer to a wire rack to cool completely.