Name: Whole Wheat Sour Milk Apple Cinnamon Muffins
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Yield: About 1 dozen muffins
Ingredients: ¾ cup (180 ml) sour milk (or buttermilk); ¾ cup (150 g) sugar; ⅓ cup (80 ml) light olive oil (or vegetable oil); 1 large egg; 2 teaspoons pure vanilla extract; 2 medium apples, peeled, cored, and shredded (I used Empire); 2 cups (255 g) whole wheat flour; 2 teaspoons baking powder; 1½ teaspoons ground cinnamon; ¾ teaspoon fine salt; ½ teaspoon ground nutmeg; ¼ teaspoon baking soda; ½ cup chopped walnuts (optional)