Preheat oven to 350°. Grease 2 loaf pans with lard. Set aside
Cream together butter, 2 cups of sugar, and eggs.
Add milk, flour, and baking soda.
Put only 1/4 of batter into each greased loaf pans (you should have half the batter left)
Mix in separate bowl the 2/3 c sugar and cinnamon.
Sprinkle 3/4 of cinnamon mixture on top of the 1/2 batter in each pan.
Add remaining batter to pans.
sprinkle each pan with last of cinnamon topping.
Swirl with a knife.
Bake for 45-50 min. or until toothpick tester come clean.
Cool in pan for 20 minutes before removing from pan.