Step 1: Preheat the Oven - Start by preheating your oven to 350°F (175°C). This ensures the muffins bake evenly.
Step 2: Prepare the Muffin Tin - Grease your muffin tin or line it with paper liners.
Step 3: Mix Wet Ingredients - In a large mixing bowl, mash the ripe banana with a fork. Add melted butter, milk, honey, and vanilla extract. Whisk until smooth.
Step 4: Incorporate the Egg - Add the large egg to the wet mixture and whisk until incorporated.
Step 5: Combine the Dry Ingredients - In a separate bowl, mix bran cereal, whole wheat flour, baking soda, kosher salt, and cinnamon.
Step 6: Fold in the Dry Ingredients - Gradually add the dry mixture to the wet ingredients, folding gently until just combined.
Step 7: Add the Fruits - Fold in the shredded apple and any choice of raisins, dried blueberries, or cranberries.
Step 8: Fill the Muffin Tins - Scoop the batter into the prepared muffin tins, filling each cup about 2/3 full.
Step 9: Bake - Bake for 18-20 minutes, or until a toothpick inserted comes out clean.
Step 10: Cool and Enjoy - Let muffins cool in the tin for about 5 minutes before transferring to a cooling rack.
