Cousin Jane was actually my husband's Grandma's cousin and a high school Home Ec teacher in the early-mid 1900's. This recipe is handwritten and from her notebook.
Thin
1 tb. fat
1 tb. flour
1 c. milk
1/2 tsp. salt
1/8 tsp. pepper
Medium
2 tb. fat
2 tb. flour
1 cup milk
1/2 tsp. salt
1/8 tsp. pepper
Thick
3 tb. fat
3 tb. flour