Add the dates, maple syrup, almond butter, vanilla and spices (if using) to a food processor. Process for 2 to 3 minutes until the mixture forms a ball.

Line a 6-inch baking tin or equivalent container with non-stick parchment paper.

Using a wet spatula, press fudge batter out until smooth and even. Cover and place in freezer for 2 hours or overnight.

To serve, remove from freezer and cut into squares. Best served cold and stored in the freezer.