Chocolate Chip Zucchini Muffins

Ingredients

• 1 1/2 cups all-purpose flour
• 1 large egg
• 1 tsp baking soda
• 1/2 tsp kosher salt
• 1/4 cup buttermilk
• 1 tsp pure vanilla extract
• 1/2 cup canola or vegetable oil
• 3/4 cups granulated sugar
• 1 tsp ground cinnamon
• 1 1/2 to 2 cups shredded fresh zucchini
• 1/4 cup mini chocolate chips
• 1/4 cup chopped walnuts