• Preheat oven to 350 degrees.
• Line muffin tin with liners.
• In a large bowl, add almond flour, collagen, cinnamon, baking powder and erythritol. Mix well.
• Add beaten egg and combine. It is ok if it is not totally mixed.
• In a small bowl, combine almond butter and butter.
• Add butter mixture to almond flour mixture.
• Using a spatula, mix well.
• Fill muffin liners about 1/2 way full.
• Bake for 25 minutes and let cool.
• Meanwhile, add all ingredients for frosting in a medium bowl.
• Beat with a hand beater until well combined.
• Once cooled, frost muffins! Be careful frosting because these are fragile!

Tip

• Cut the corner off a ziplock back, fill with frosting and the squeeze out the hole. You can make designs and it won't ruin the muffins!