Are you looking for an easy coffee cake you can make for a crowd this fall? Try this sweet potato one with pecan streusel! You can serve it as a decadent brunch treat or a simple dessert, either way it tastes delicious. The crumb topping is incredible! This recipe makes a moist cake, made with mashed sweet potatoes, maple syrup and spices. It's a great idea for autumn and the flavors are rustic, delicious - and a nice change to all the pumpkin craze!