Prep 15 mins
Cook 50 mins
Make and share this Butternut Squash Au Gratin recipe from Food.com.
- Peel outer skin of squash with peeler or knife. Discard skin. Halve squash lengthwise and cut into thin slices.
- Place slices in bowl with onion, salt, pepper and melted butter. Toss well. Spoon mixture into buttered 9-inch baking dish.
- Bake, covered, at 375 degrees for 30 minutes.
- Meanwhile, beat eggs, milk and cheese. Remove cover from baking dish and pour cheese mixture evenly over squash. Bake until golden brown, about 20 minutes.