Preheat oven to 400°F. Lightly spray three (12-cup) mini muffin pans with cooking spray.
In a bowl using an electric mixer, beat Splenda Sweetener, butter, and molasses on medium speed until blended. Add eggs, one at a time, beating until blended after each addition. Add apple juice concentrate and lemon zest and mix to combine.
Add flour, baking soda, cinnamon, nutmeg, and salt; mix on low speed just until blended. Mixn in apple, oats, and raisins.
Spoon batter into prepared pans; filling ¾ full. Bake until edges are lightly browned, about 12 minutes. Remove to wire racks to cool.