In A Large Skillet, Brown Beef And Sausage Over Medium Heat; Drain. Add Onions And Garlic; Cook Until Tender. Stir In Parsley, Water, Flour, Baking Powder, Salt And Pepper. Heat Through. Cover And Refrigerate For At Least 1 Hour. On A Floured Surface, Pat 10 Biscuits Into 4-In. Circles. Top Each With About 1/3 Cup Of The Meat Mixture. Pat Remaining Biscuits Into 5-In. Circles And Place Over Filling; Seal Edges With Water. Press Edges Together With A Fork Dipped In Flour; Pierce The Top. Place On An Ungreased Baking Sheet. Bake At 375 Degrees F For 12-14 Minutes Or Until Golden Brown And Filling Is Hot.