Place the almond flour, confectioners sugar, and salt in a food processor and pulse until blended.
Stir the egg white and almond extract together in a small bowl.
Add the egg white mixture into the food processor and pulse until a dough ball forms.
Remove the ball from the processor and wrap tightly in the plastic wrap.
Refrigerate at least 3 hours, or until you're ready to color and shape.
Notes
Keep the marzipan tightly wrapped in the refrigerator for up to 2 weeks.When kneading food coloring into the marzipan, wearing disposable latex gloves will help keep the color off your hands.Marzipan can be colored and shaped into whatever your heart desires.Corn syrup is useful for attaching pieces of marzipan together, as in the carrots and the carrot tops.