Step 1

Preheat the oven to 375 degrees and spray a donut pan with nonstick spray that has flour in it.

Step 2

Beat the butter, sugar, vanilla, and salt until creamy. Add the egg, yogurt, pineapple, and carrots and beat again.

Step 3

Add the flour, cinnamon, nutmeg, baking soda and baking powder and slowly mix it in.

Step 4

Fill a large ziplock bag with the donut batter and cut one corner off.

Step 5

Squeeze into donut pan cavities filling them 1/2 full. Bake for 10 minutes.

Step 6

Cool a few minutes in the pan and remove to wire rack to cool completely.

Step 7

Beat the cream cheese, butter and pineapple juice. Slowly add the powdered sugar and beat until smooth.

Step 8

Dip the cooled donuts in frosting and sprinkle with chopped walnuts and sprinkles.