Baked Onions Au Gratin

5.0(7)

This is one of my mother's recipes. Everytime she makes it for a party or brunch, everyone demands the recipe! This dish is rich and good by itself as a side dish, or put it on some crusty bread! Enjoy!

by KPD123·published 2006-10-24

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Brunch

Servings

(4–6)

Total time

30 min

prep 10 min

Calories / serving

416 kcal

Ingredients (7)

serves

6 -9 white onions or 6 -9 yellow onions, sliced 1/4-inch thickonion
2 tablespoons butterbutter
1/2 cup heavy whipping creamheavy-cream
1/4 cup dry white winewhite-wine
1/8 teaspoon black pepperpepper
1/4 cup parmesan cheese, gratedparmesan
1 1/2 cups swiss cheese, shreddedswiss-cheese

Instructions (5 steps)

01Saute onions in butter.
02Place onions in a 9 x 13 casserole dish with a slotted spoon.
03Stir in heavy whipping cream, white wine, and black pepper. Mix well.
04Top with cheeses.
05Bake at 375 degrees for 15-20 minutes.

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Rich recipe — supports nutrition-aware planning.