The ornamental design of a bread lame, as shown and described.
FIG. 1 is a perspective view of a bread lame embodying the design of the present invention;
FIG. 2 is a front view of the bread lame illustrated in FIG. 1;
FIG. 3 is a left side view of the bread lame illustrated in FIG. 1, the right side view of the bread lame being substantially identical to the left side view;
FIG. 4 is a top view of the bread lame illustrated in FIG. 1; and,
FIG. 5 is a rear view of the bread lame illustrated in FIG. 1.