1-First Step: Mise en Place: Preheat oven to 350°F (175°C). Line a 12-cup muffin tin with paper liners or grease well. Grate carrots finely and squeeze out excess moisture with a clean towel. Measure all ingredients accurately for perfect texture in your carrot muffins.

2-Second Step: Mix Dry Ingredients: In a large bowl, whisk together flour, baking powder, baking soda, cinnamon, nutmeg, and salt. This ensures even distribution of leavening agents, preventing dense spots. Takes about 2 minutes.

3-Third Step: Combine Wet Ingredients: In another bowl, beat eggs, granulated sugar, brown sugar, oil, and vanilla until smooth and creamy, around 3 minutes with an electric mixer or by hand. The mixture should lighten in color. Stir in grated carrots, pineapple, walnuts, and raisins if using. These add the signature moist carrot muffins chew.

4-Fourth Step: Combine Wet and Dry: Gently fold wet mixture into dry ingredients using a spatula. Stir just until no flour streaks remain, about 10-15 strokes. Overmixing leads to tough muffins, so keep it light for that tender crumb.

5-Fifth Step: Fill and Bake: Divide batter evenly among muffin cups, filling each 3/4 full. Bake for 20-25 minutes, until a toothpick inserted in the center comes out clean or with moist crumbs. Rotate pan halfway for even baking. Cool in tin for 5 minutes, then transfer to a wire rack.

6-Final Step: Frost and Serve: For carrot muffins with cream cheese frosting, beat softened cream cheese and butter until fluffy. Gradually add powdered sugar and vanilla, beating until smooth. Pipe or spread on cooled muffins. Serve warm or at room temperature. Store as noted below.