Step 1

Preheat oven to 180C/350F. Lightly grease and line an 8x8 inch baking pan

Step 2

Steam the butternut squash over a pan of simmering water until soft. Drain well and puree with a hand blender, potato masher or food processor. Set aside to cool slightly.

Step 3

In a large bowl or stand mixer, beat the butter and sugar until light and fluffy. Add the eggs, one at a time and beat each one in well. Add the vanilla and cooled squash puree and combine.

Step 4

Sift in the flour, baking powder, spices and salt and gently mix. Fold in the chocolate.

Step 5

Spread the mixture evenly into the baking tray and bake for 35-40 minutes or until an inserted skewer comes out clean. Allow to cool in the pan and then turn out and cut into squares.