Marzipan colored with paste food coloring is easily shaped and sculpted to make the decorative fruits and vegetables for Martha's Spring Garden Cake. Follow instructions for shaping individual fruits and vegetables here.
In the bowl of a food processor, combine almond paste and sugar. Pulse until combined. Add the corn syrup, and pulse again until combined, about 15 times.
Mixture should hold together when pressed. Transfer to a clean work surface; knead until smooth dough is formed. Wrap tightly in plastic wrap. Color as desired.