1. In a mixing bowl, combine warm milk, sugar, and yeast. Let it sit for 5 minutes until frothy.
2. Add melted butter, salt, and flour to the yeast mixture. Mix until a dough forms.
3. Knead the dough for about 10 minutes until smooth and elastic. Add raisins and knead until evenly distributed.
4. Place the dough in a greased bowl, cover, and let it rise in a warm place for about 1 hour or until doubled in size.
5. Preheat the oven to 350°F (175°C). Punch down the dough and shape it into a loaf. Place it in a greased loaf pan.
6. Bake for 45 minutes or until the bread is golden brown and sounds hollow when tapped.
7. Let the bread cool in the pan for 10 minutes, then transfer to a wire rack to cool completely before slicing.