This one is written in longhand on a piece of paper. There’s no name so I can’t give credit to anyone. I’m going to post it just as it’s written.
Cream 1 1/2 cup sugar & 1/2 cup shortening. Add 1 egg & beat. Mix in 1 cup sour cream or buttermilk, 2 cups flour, 1 tsp. soda, 1/4 tsp. salt, 1/2 tsp vanilla. Add 2 cups diced rhubarb to batter. Mix well. Pour batter into a 9 x 13 greased pan. Combine 1/2 cup sugar, 2 tsp. cinn. Sprinkle over batter. Bake at 350 deg for 30 min