Marcy... I have always added cinnamon to my crumb topping, especially apple pie & cobblers. The slight 'hint" of cinnamon adds great flavor.. after you make the crumble , start with a Tsp of cinnamon, then if you want more add 1/2 Tsp at a time, then toss until blended. . I have found that @ 1 1/2 Tsp. works in most toppings. For larger, (9X13) it might take 2 Tsp.

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