The crumb topping recipe comes from "The Martha Stewart Cookbook" copyright 1995 which is a no photo, textbook like cookbook. http://shop.marthastewart.com/The-Martha-Stewart-Cookbook-Collected-Recipes/A/0517703351.htm It is actually a variation for "Bottom-Crust Apple Pie". http://www.marthastewart.com/ I love cookbooks and will sit and read recipes but can say I usually go for some fabulous food photos mixed in. This cookbook is a manual, a go to for any question you might have on basic cooking. I tag pages, refer to this book often for recipes, techniques, and inspiration. It is no surprise that this book is a basic tool in the kitchen, we all know when Martha does something she does it well.
In food processor:
1/4 lb cold unsalted butter
1/2 c flour
pulse till crumbled
3/4 c packed brown sugar
1 cup rolled oats
Pulse only a few more times so it stays in coarse crumbles, top fruit with mixture and bake about 45 min at 350.
I just dot fruit with a few bits of butter and a sprinkle of cinnamon.