Preheat your oven to 425°F (220°C). Line a baking sheet with parchment paper. A hot oven helps biscuits rise properly and creates a beautiful golden top during baking.

Add flour, baking powder, salt, and sugar to a large bowl. Stir everything together evenly. This step ensures every biscuit has a balanced flavor and texture.

Add the cold butter cubes to the flour mixture. Use a pastry cutter or fork. Mix until small crumbs form. Cold butter creates flaky layers in the biscuits.

Pour cold buttermilk into the bowl. Stir gently until the dough comes together. Avoid overmixing because it can make the biscuits dense instead of fluffy.

Place the dough on a lightly floured surface. Fold it gently several times. This creates layers and improves texture. Pat it into a one-inch thick rectangle.

Use a biscuit cutter to cut round biscuits. Press straight down without twisting. Twisting seals the edges and may prevent the biscuits from rising well.

Place the biscuits on the prepared baking sheet. Keep them slightly touching for softer sides. This helps them rise upward rather than spreading outward.

Bake for about 13 to 15 minutes. The tops should become golden brown. Watch carefully during the final minutes to prevent overbaking.

Remove the biscuits from the oven. Brush melted butter over the tops immediately. This adds flavor, shine, and a delicious buttery finish.

Allow the biscuits to cool for five minutes. Serve warm with your favorite toppings. Fresh biscuits taste best right after baking.