A basket for holding beverage grounds includes a frame. The frame includes a continuous rim that defines an opening at a top of the frame, a bottom portion that is closed, and a plurality of spaced apart ribs that extend from the rim to a peripheral edge of the bottom portion. The bottom edge, plurality of ribs and rim define a plurality of openings that facilitate fluid flow. A filter material is positioned in the plurality of openings. A removable outer sleeve is formed on an outside surface of the frame. The outer sleeve is configured to cover at least the plurality of openings to thereby provide an air-tight seal within the frame.