Chocolate Sheet Cake
["2 sticks oleo", "1 c. water", "4 Tbsp. cocoa", "1 1/2 tsp. vinegar and milk to make 1/2 c.", "1 tsp. soda", "2 c. flour", "2 c. sugar", "2 eggs, beaten", "1 tsp. vanilla", "1/2 tsp. cinnamon (optional)"]
["Bring to a boil in small saucepan the oleo, water and cocoa. Mix the vinegar-milk mixture with remaining ingredients.", "Pour oleo mixture into bowl of flour and sugar.", "Add eggs, milk mixture and vanilla.", "Pour onto greased cookie sheet (approximately 10 x 15-inch).", "Bake at 350\u00b0 for 25 minutes or until done."]
["oleo", "water", "cocoa", "vinegar", "soda", "flour", "sugar", "eggs", "vanilla", "cinnamon"]