Sweet Potato Casserole

"No holiday gathering is complete without a sweet potato casserole recipe. This sweet potato casserole with marshmallows is so easy and also has a delicious pecan crumble. My husband is from the south, and I never even really knew that people ate sweet potatoes until I met him - and now I can't get enough! Gotta love the sweetness from the brown sugar and marshmallows! This is a classic dish you'll serve over and over again. "