FIG. 1 is a perspective view of the muffin pan; FIG. 2 is a top view of the muffin pan shown in FIG. 1; FIG. 3 is a cross sectional view of the muffin pan along A—A of FIG. 2; FIG. 4 is a bottom view of the muffin pan of FIG. 1; and, FIG. 5 is a side view of the muffin pan of FIG. 1.