Serves: 18 large muffins1) Preheat the oven to 180C/Gas 4. Line 18 large muffin cups with paper liners.
2) Sift the flour, sugar, baking powder, bicarbonate of soda and salt into the bowl of an electric mixer fitted with a paddle attachment. Add the melted butter and blend.
3) Combine the eggs, milk, vanilla and mashed bananas, and add them to the flour and butter mixture. Scrape the bowl and blend well. Don't overmix.
4) Fold the diced bananas, walnuts, granola and coconut into the batter. Spoon the batter into the paper liners, filling each one to the top. Top each muffin with dried banana chips, granola, or coconut, if desired.
5) Bake for 25 to 30 minutes or until the tops are brown and a toothpick comes out clean. Cool slightly, remove from the pan, and serve.