1. In a large mixing bowl, combine warm water, honey, and yeast. Let it sit for 5 minutes until frothy.
2. Add melted butter, salt, rolled oats, and flour. Mix until a dough forms.
3. Knead the dough on a floured surface for about 10 minutes until smooth and elastic.
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 375°F (190°C). Punch down the dough and shape it into a loaf. Place it in a greased loaf pan.
6. Bake for 35-40 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.