Preheat the oven to 375º. Grease the baing sheet.
Stir together the flour, baking powder, salt and pepper in a large bowl. Stir in the ricotta and the egg into the flour mixture until well combined. Drop by rounded tablespoonfuls onto the baking sheet. Top each biscuit with the grated parmesan.
Bake until golden, 5-20 min.