01 - Preheat oven to 425°F. Line a baking sheet with parchment paper.
02 - Whisk together flour, baking powder, baking soda, salt, pepper, and dried thyme in a large bowl.
03 - Add cold, cubed butter and cut into the dry mixture using a pastry cutter or fingertips until it resembles coarse crumbs.
04 - Mix in shredded cheddar cheese and optional herbs until evenly distributed.
05 - Pour in cold buttermilk and gently stir until the dough just comes together; avoid overmixing.
06 - Turn dough onto a lightly floured surface and pat to a 1-inch thickness rectangle.
07 - Cut biscuits using a 2½-inch round cutter. Gather scraps carefully and recut. Arrange biscuits 2 inches apart on baking sheet.
08 - Bake biscuits for 15 to 18 minutes until golden brown. Allow to cool slightly before serving.