For Large Cake:
2 2/3 c. brown sugar
2/3 c. milk
2/3 c. shortening
1/3 tsp. salt
For Small Cake:
2 c.
1/2 c. milk
1/2 c. shortening
1/4 tsp. salt

Mix together thoroughly. Stir over low heat, then bring rapidly to a full boil, stirring constantly. Boil to 220 degrees or exactly one minute. Remove from heat. Beat until lukewarm and of right consistency to spread.