PROCEDURE
1. Make flax egg by mixing flax and water and letting sit for ~5 minutes.
2. Whisk flour, baking soda, cinnamon, and salt in medium bowl. Set aside.
3. In stand mixer, cream butter and sugar. Add flax egg, corn syrup, and vanilla and continue to mix until combined.
4. Stir in flour mixture in two batches and mix until the dough starts to form a ball.
5. Shape into a disc, wrap in plastic wrap and freeze for a few minutes or refrigerate for a couple hours (optional, makes the dough easier to work with).
6. Preheat oven to 350 degrees.
7. Roll dough out in batches to about 1/8-1/4 inch thickness on a floured surface. Use circus cutters to cut animal shapes and place on a parchment lined baking sheet.
8. Bake about 10 minutes or until limbs are lightly browned (time varies based on your oven).
Variations
Works well with all purpose flour, white whole wheat flour, a mixture of the two, or graham flour.