Apple and Walnut Muffins

Ingredients

• 2 cups self-raising flour
• 1/2 cup brown sugar
• 1 teaspoon ground cinnamon
• 1/2 cup chopped walnuts
• 2 large apples, peeled, cored, and grated
• 1/2 cup milk
• 1/2 cup vegetable oil
• 2 eggs, beaten
• 1 teaspoon vanilla extract