2 c. flour
1/2 c. sugar (for batter)
3 tsp. baking powder
1 tsp. salt
1/2 c. butter
1 c. diced apple
2 tsp. grated lemon rind
1 egg
2/3 c. milk
1/4 c. chopped walnuts
2 tbsp. sugar (topping)

Sift flour, sugar, baking powder, and salt into large bowl. Cut in butter with pastry blender. Measure 1/2 cup for topping and set aside. Stir apple and 1 teaspoon lemon rind into mixture in bowl. Beat egg well, stir in milk. Add all at once to apple mixture. Stir lightly and spoon into muffin tins. Blend crumb mixture with 1 teaspoon lemon rind, walnuts and 2 tablespoons sugar. Sprinkle over muffin batter. Bake at 425 degrees for 20 minutes. Makes 12 muffins.