Reduced Calorie but Delicious Sweet Potato Casserole Low Fat. Break sweet potato apart in a large bowl. In an effort to eat healthier, I modified a family favorite so we could still enjoy it. 4. Mix in butter and beat well with an electric mixer. This scrumptious sweet potato soufflé is sweet without being cloying like some sweet potato casseroles can be. Mix the brown sugar, pecans, and remaining 1/2 tsp cinnamon in a bowl; sprinkle over the potatoes. Enjoy these low-fat sweet potatoes mashed with orange juice, a hint of brown sugar, and mildly spiced with cinnamon and ginger for a decadent, yet healthy Thanksgiving side dish. The casserole requires just 25 minutes of active time to prepare, so you can whip it up for Thanksgiving without a … A crunchy pecan-and-oat topping nicely complements the creamy sweet potatoes. 100 Easy Thanksgiving Side Dish Recipes Recipe by Marg CaymanDesigns. The rest of the family couldn't even tell the difference! Spread the sweet potato mixture in the prepared baking dish. Recipes / Yam/Sweet Potato. Beat in sugar, milk, eggs, nutmeg, cinnamon, and vanilla extract on medium speed until mixture is smooth.