Preheat oven to 350°F. Place paper baking cups in muffin pans and spray with cooking spray.
In a bowl, combine flour, baking powder, soda, salt, cinnamon, and ginger.
In a glass measuring cup, combine baby food carrots, milk, and pineapple juice; mix well.
In a mixing bowl using an electric mixer, beat eggs and Splenda Sweetener on high speed for 5 minutes.
Reduce speed to medium; add oil and vanilla extract and beat until blended.
Add half of flour mixture; blend on low speed until combined. Add liquid mixture and blend smooth. Add remaining flour mixture and blend until combined.
Fold in carrots, apples, coconut, and walnuts.
Spoon mixture into prepared muffin pans; filling ¾ full.
Bake for 30–35 minutes or until a wooden pick inserted in center comes out clean. Remove from pans immediately and cool on wire rack.