Double Chocolate Zucchini Muffins

These were amazing, chocolate chips and toffee and more chocolate?  Yes, please! 1/2 cup butter, softened 2/3 cup packed brown sugar 1 egg 1 teaspoon vanilla 1 cup shredded or ground zucchini 2/3 cup sour cream or yogurt 1/3 cup buttermilk 1/2 teaspoon salt 2 teaspoons baking powder 1 teaspoon baking soda 2 cups flour … Continue reading