01 -
Preheat the oven to 350°F. Line or grease a 9 x 5-inch loaf pan to prevent sticking.
02 -
Whisk together the all-purpose flour, baking powder, and salt in a medium bowl.
03 -
In a large bowl, whisk the melted butter and granulated sugar until the mixture is smooth. Add eggs one at a time, mixing well after each addition. Stir in the vanilla extract and buttermilk until incorporated.
04 -
Gently fold the dry ingredient mixture into the wet ingredients, mixing only until combined to preserve a tender crumb.
05 -
Pour the batter into the prepared loaf pan. Smooth the top and sprinkle evenly with coarse sugar.
06 -
Bake in the preheated oven for 30 to 45 minutes, or until a toothpick inserted into the center comes out clean. Cool before slicing and serving.