Healthy Apple-Walnut Muffins

Ingredients

• 2 cups all-purpose flour
• 1 teaspoon baking soda
• 1/4 teaspoon ground cinnamon
• 1/4 teaspoon ground ginger
• 1/4 teaspoon ground allspice
• 1/4 teaspoon ground nutmeg
• 1/4 teaspoon salt
• 2 large egg
• 1 cup plus 2 tbsp. apple juice concentrate
• 2/3 cup buttermilk
• 2 tablespoons oat bran
• 2 small Granny Smith apples -- peeled & finely chop
• 1/3 cup walnuts -- chopped
• 1 small Granny Smith apple -- peeled & finely chop