Recipes » Side Dish Recipes » Vidalia Onion Gratin

Vidalia Onion Gratin

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5 from 1 vote
Fantastic gratin using sweet Vidalia onions and rich Gruyere cheese. Delicious side with pork or chicken.
Prep Time 10 minutes
Cook Time 30 minutes
This delicious Vidalia Onion Gratin uses sweet as sugar onions and rich Gruyere cheese for a perfect pairing with pork or chicken. https://www.lanascooking.com/vidalia-onion-gratin/

This delicious Vidalia Onion Gratin uses sweet as sugar onions and rich Gruyere cheese for a perfect pairing with pork or chicken.

Y’all, I just hope today’s post makes sense. My head is so fuzzy from all the antihistamines and cough syrup I’ve been taking that I can hardly think straight. I mean, really, it’s almost 100 degrees outside and I have pneumonia?? What’s up with that? Anyway, let’s cross our fingers and hope that I can type a coherent sentence or two :-)

This delicious Vidalia Onion Gratin uses sweet as sugar onions and rich Gruyere cheese for a perfect pairing with pork or chicken. https://www.lanascooking.com/vidalia-onion-gratin/

One of my, and probably your, favorite things about summer is the abundance of fresh vegetables in the stores and roadside markets. And one of my all-time favorites is our beautiful Georgia-produced Vidalia onions.

Vidalias are so sweet and delicious that sometimes I just slice one, add a little salt and pepper, and enjoy it just like that. Nothing else necessary. They’re perfect to add to salads, top a hamburger, or to cook in a gratin like this one. Try this Vidalia onion gratin the next time you put some steaks on the grill. It’s delicious alongside.

How to Make Vidalia Onion Gratin

Sliced onions in a baking dish.

Start by prepping and slicing two large, sweet Vidalia onions. Separate the slices into rings and put them into a buttered casserole dish. Drizzle over some Worcestershire sauce, olive oil, water, salt, and pepper and then toss lightly so that the onions are nicely coated with the mixture.

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Cover the dish with foil and place it in a 425 degree oven. Bake until the onions are just tender – about 25 minutes.

Crouton and cheese mixture in a bowl.

While the onions are baking, combine the remaining ingredients in a medium bowl and toss it all together.

Crouton-cheese mixture added to top of onions.

When onions are tender, remove the dish from the oven and sprinkle the crouton mixture over the top. Return the uncovered dish to the oven and bake for an additional 5 minutes or until the cheese has melted.

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This delicious Vidalia Onion Gratin uses sweet as sugar onions and rich Gruyere cheese for a perfect pairing with pork or chicken. https://www.lanascooking.com/vidalia-onion-gratin/

Vidalia Onion Gratin

Fantastic gratin using sweet Vidalia onions and rich Gruyere cheese. Delicious side with pork or chicken.
5 from 1 vote
Print It Rate It
Course: Side Dishes
Cuisine: Southern
Prep Time: 10 minutes
Cook Time: 30 minutes
Total Time: 40 minutes
Servings: 8 servings
Calories: 128kcal
Author: Lana Stuart

Ingredients

  • Cooking spray
  • 2 large Vidalia onions sliced
  • 3 tablespoons Worcestershire sauce
  • 2 tablespoons olive oil
  • ¼ cup water
  • Salt and pepper to taste
  • 1 cup croutons purchased or homemade
  • ½ cup grated gruyere cheese
  • 1 tablespoon chopped fresh parsley
  • 1 tablespoon olive oil
  • ½ teaspoon salt
  • ¼ teaspoon ground black pepper

Instructions

  • Preheat the oven to 425 degrees.
  • Spray a large, shallow baking dish with cooking spray.
  • Separate the onions into individual rings and place them in the baking dish.
  • Drizzle the Worcestershire sauce, olive oil, water, salt, and pepper over the onions in the baking dish, then toss lightly so that the onions are nicely coated with the mixture.
  • Cover the pan with foil and place in the preheated oven. Bake until the onions are just tender – about 25 minutes.
  • While the onions are baking, combine the remaining ingredients in a medium bowl and toss together.
  • When onions are tender, remove the pan from the oven and sprinkle the crouton mixture over the top.
  • Return the uncovered pan to the oven and bake for an additional 5 minutes or until the cheese has melted.

Notes

Nutrition Information

Serving: 1 | Calories: 128kcal | Carbohydrates: 10g | Protein: 4g | Fat: 8g | Saturated Fat: 2g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Cholesterol: 9mg | Sodium: 269mg | Potassium: 164mg | Fiber: 1g | Sugar: 5g | Vitamin A: 127IU | Vitamin C: 5mg | Calcium: 111mg | Iron: 1mg

Nutrition information is calculated by software based on the ingredients in each recipe. It is an estimate only and is provided for informational purposes. You should consult your health care provider or a registered dietitian if precise nutrition calculations are needed for health reasons.

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15 Comments

  1. What a great idea! Vidalla onions have such a gorgeous flavor, they would make a wonderful side dish:-) Hugs, Terra

  2. I love baked onions! In fact I bake onions instead of sauteing them, I think it’s a much simpler way to get caramelized onions and the taste is almost the same. And then I freeze them. And now it so happens that I have some frozen caramelized onions ready :-). So this gratin came to me at just the right moment!

  3. I’m so sorry you aren’t feeling well. I had pneumonia for the first time last fall, and it was indeed horrible.

    I love the idea of an onion gratin. I’ve been branching out myself lately, brainstorming all the different vegetables that I can prepare in this form. So tasty – and of course, the gruyere cheese is an excellent touch!

  4. Very sad to read that you are ill. Onions are healthy – you’ll get better soon :) I have never tasted a Vidalia onion in my life and there are of course none where I live in Europe but I did make peach icecream the other day and I will definitely do it again.

  5. I am so sorry that you are sick. I have always heard that onions are supposed to be a “purge” for anything that ails the body. Eat lots of this, get well, and feel better soon.

    Love you.

    Miss P

    1. Hope you enjoy it, Joan. It’s a great all-purpose side dish but really outstanding with grilled meats.