Stir together flour and sugar.
Stir in soda until flour is completely mixed in and a soft dough forms.
Scrape dough into a greased 4 x 8-inch loaf pan.
Bake at 350o for 55 to 60 minutes.
Remove from pan.
Stir powdered sugar and lemon juice together until smooth.
Pour over the warm bread.
Cool slightly before cutting.
Serve warm.
