-Preheat your oven to 350 degrees.
-Sift together the following:
2 cups flour
1 tsp baking soda
¾ tsp baking powder
½ tsp salt
-Stir in 1¼ cups sugar.
-Grate enough summer squash so you have 1½ cups.
-In another bowl, whisk together the following:
2 large eggs
½ cup melted butter
⅓ cup orange juice
2 tsp orange zest
2 tsp peeled and grated ginger root
1 tsp vanilla extract
-Pour the wet ingredients into the bowl with the flour and stir until just combined.
-Fold in ½ cup chopped hazelnuts and the summer squash.
-Butter and flour a 8x8 square pan.
-Scrape the batter into the pan and bake until a toothpick inserted into the center of the cake comes out clean, about 30-35 minutes.