Chocolate Zucchini Cake - Fill Your Plate

Ingredients

• 1 ½ Cup sugar
• 2 eggs
• 1/2 Cup plain yogurt or sour cream
• 1 tsp vanilla
• 2 1/2 cup Flour
• 1/4 Cup baking cocoa
• 1/2 tsp baking soda
• 1/2 tsp salt
• 2 cups shredded summer squash about 1 pound
• 1/2 cup chopped walnuts
• 1/2 cup chocolate chips