Preheat the oven to 350 degrees Lightly grease and flour (do not use cupcake liners) 9 cavities of a muffin tin, fill up the other three cavities halfway with water (this ensures even baking). Set aside.
Combine the flour, sugar, and baking powder in a bowl and stir to combine.
In another bowl, lightly beat the egg. Beat in the butter, milk, and vanilla.
Combine the wet and dry ingredients until completely mixed together.
Heat the sausage according to package directions and coarsely chop the sausage into small bite-sized pieces. Fold the sausage pieces into the batter.
Using a cookie scoop, scoop up the mixture into the prepared muffin tin.
Bake for 14-16 minutes or until lightly browned around the edges.
Remove and allow to cool.
if desired, top with maple syrup and enjoy immediately.