Preheat oven to 425° F. Place currants in a bowl. Cover with boiling water and let soak 5 minutes. Drain and set aside. Sift together next 6 ingredients in a food processor or mixing bowl. Cut in butter until mixture resembles coarse meal. Add oats, drained currants and buttermilk. Process or stir until mixture forms a sticky soft dough. Do not over mix. Place 1-1/2 Tbs. of dough per biscuit on a buttered baking sheet. Bake 15-17 minutes or until just golden. Serve with preserves.