Preheat oven to 350°F. In a medium bowl, whisk together milk, egg, sugar, vanilla, butter, and yogurt.

In a separate bowl, combine flour, sea salt, baking soda, baking powder, and cinnamon. Stir dry ingredients into wet ingredients and then fold in carrots.

Spoon or pipe batter into a greased donut pan and bake for about 9-12 minutes or until a toothpick comes out clean.

While the donuts bake, prepare the frosting by using an electric mixer to mix the cream cheese and butter until smooth and creamy.

Add in the vanilla and sea salt and beat to mix in. Add the powdered sugar about ½ cup at a time until desired consistency and sweetness.

Allow the donuts to cool completely before frosting.