In a large bowl, cream butter and sugar.
Add eggs, one at a time, beating until creamy.
Blend in milk.
In another bowl, mix together flour, baking powder, salt and lemon rind.
Pour into batter.
Stir to moisten.
Scrape into greased 9 x 5 inch loaf pan.
Bake in 350f degree oven for 55 to 60 minutes.
Cool in pan for 5 minutes.
Remove to rack and while still hot, with a toothpick poke holes all over the top of the loaf, and spoon glaze evenly over.
Glaze: Combine lemon juice and sugar in saucepan.
Stir and heat till sugar is dissolved.
Spoon evenly over top of hot loaf.