preheat the oven to 315°
grease a 9x5 loaf pan, you can also line it with parchment after greasing, set aside
make the streusel: mix the cold butter, flour, brown sugar, and cinnamon together until crumbly set aside in the refrigerator
For the bread: cream butter and sugar in a large bowl on medium speed together until light
beat in the eggs, and vanilla
once they're incorporated beat in the milk, then set the bowl aside
in a medium bowl mix the flour, baking powder, cinnamon, salt, nutmeg
then stir the wet ingredients into the dry ingredients
stir in the apples and the chopped pecans
scrape into the prepared baking pan and level gently
sprinkle with the cold streusel
baked in the preheated oven for 60-70 minutes
when a toothpick comes out clean it's baked through
leave to cool on a wire rack for 10 minutes in the pan, then gently ease it out of the pan and cool completely before icing
make the icing by mixing the melted butter, milk, and vanilla together
stir in the powdered sugar until smooth
drizzle the icing over the cooled loaf and let it set up before slicing