Preheat oven to 350 degrees.
Line 2 loaf pans with parchment & lightly spray cooking spray- set aside.
In large bowl- sift together sugar, flour, cocoa powder, cinnamon,baking soda & salt.
Whisk in eggs, oil & vanilla.
Mix in with large spatula. Mixture will be very dry & pasty until you add the squash
Fold in squash & then chocolate chips.
Transfer to your prepared pans & smooth out.
Bake for 55-60 minutes or when toothpick test comes out clean.