Place the oats in a large bowl. Pour the boiling water on top. Let stand at room temperature for at least 1 hour and up to 4 hours.
Prepare the dry ingredients:
Combine the flour, baking powder, and salt in a medium bowl.
Prepare the wet ingredients:
Whisk together the egg and milk in a separate bowl.
Prepare the bread:
Preheat the oven to 350ºF. Grease a 9x5-inch loaf pan.
Add the melted butter and honey to the prepared oats and stir until combined.
Add half the milk and egg mixture and stir until combined. Add half the dry ingredients and stir until combined. Alternately add the rest of the milk and eggs and flour and stir until combined.
Add the fruit and nuts:
Fold the raisins and pecans into the mixture. Pour into the prepared loaf pan.
Bake the oat loaf:
Transfer the bread to the oven for 1 hour and 10 minutes.
Cool the bread:
Remove the bread from the oven and turn onto a baking rack. Let cool at room temperature for at least 30 minutes.
To serve:
Slice the oat bread and spread butter or fruit preserves on top. Enjoy!