FIG. 1 is a perspective view of a cake baking cup with portable cap showing the design;

FIG. 2 is an exploded perspective view of the design of FIG. 1, shown with the cap removed for completeness of illustration;

FIG. 3 is a front side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear side view thereof; and,

FIG. 8 is a left side view thereof.