Respuesta :
She should add half a cup of cinnamon. If we are to believe that the recipe is unchanged or in the 3 x 5 then it should be half a cup.
Answer:
add 1/2 teaspoon of cinnamon
Explanation:
It would be an extremely rare recipe that called for more than 1 or 2 teaspoons of cinnamon. If not sure, skip this ingredient.