Cranberry Walnut Muffins (Selina)

1 cup milk soured or buttermilk
1 cup quick cooking rolled oats
1/2 cup grated peeled apple
1/4 cup packed brown sugar
1/4 cup veg.oil or melted butter
1 egg,lightly beaten
grated rind of 1 lemon
1 cup all purpose flour
1/4 cup granulated sugar
1 tbsp.baking powder
1 tsp.salt
1/2 tsp.baking soda
1 cup dried cranberries or frozen
1/2 cup chopped walnuts
Preheat over to 400F Lightly grease or spray muffin pan.In large bowl pour soured milk over oats,stir to combine.Let stand for 10 min.In separate bowl mix together apples,brown surgar,oil,egg and lemon rind.Stir into oat mixture.Sift together flour,granulated sugar,baking powder,salt,and baking soda.stir into batter just until moistened.Gently stir in cranberries and walnuts.Spoon into prepared pan.Bake for 20-25 min.or until tops are firm to the touch.
To sour milk,spoon 1 tbsp.lemon juice or white vinegar into measuring cup,pour in enough milk to make 1 cup.Let stand for 5 min.then stir.