Granola-topped breakfast muffins

plain flour ((2/3 cup))

porridge oats ((1/2 cup))

baking powder

mixed spice

medium banana

fresh pineapple (divided) ((1/2 cup diced pineapple))

egg

milk or non-dairy alternative ((3 1/2 tbsp))

raisins ((approx 2 tbsp))

chopped dried mango (or other dried fruit) ((approx 2 tbsp))

medium carrot, grated

granola