Pre-heat oven to gas mark 3, 325F, 170C.
Mix flour, spices and baking powder together in a large bowl. Melt the honey, sugar and butter in a saucepan, then stir into the flour mixture.
Stir in grated carrots.
Put into a well greased 1lb (450g) loaf tin and bake for 60-80 mins until a knife skwers clean.
Leave in the tin for 10 minutes, and then turn out.