Cheesy Baked Onion Dip

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My 4-ingredient baked onion dip recipe, with flavorful bites of sweet Vidalia onion, takes cheesy to a whole new level.

Spoonful of baked onion dip.

Oh, how I love this baked onion dip recipe. It’s ooey, gooey, and so good, y’all. It’s guaranteed to get stomachs growling and tongues wagging at your game day party or holiday celebration.

I first had this at a football party a decade or so ago. The hostess had just taken it out of the oven and it was just bubbling so nicely on top of a folded-up dishtowel. I asked her what it was and she immediately started telling me the recipe. I dipped a corn chip into it and decided to keep that bubbly dish company for a little while.

There are all sorts of recipes with all sorts of ingredients out there for this amazingly delicious baked onion dip. But I just streamlined and put together what was needed to make it. In a world that strives to make everything 10 times more complicated than it needs to be, I prefer to simplify things whenever possible.

Here is my recipe for cheesy baked Vidalia dip and all of its 4-ingredient glory. Yep, all you need is sweet Vidalia onion, cream cheese, mayo, and shredded cheese to make the cheesiest and creamiest dip imaginable. It’s also super easy to make, with just a little mixing and a little baking before it’s time to eat it up!

If you’re gonna watch a game this weekend or just want something that’s gonna warm your belly, this will do the trick. Check out some of our other yummy dips that will be perfect for game day like Creamy Peanut Butter Fruit DipCream Cheese Salsa DipBaked Reuben Dip Recipe, Tex Mex Dip (a.k.a 7-Layer Dip), and Cream Cheese Salsa Dip.

Labeled ingredient for cheesy baked onion dip.

Recipe Ingredients

  • Mayo
  • Mozzarella cheese
  • Cheddar cheese
  • Cream cheese (click here for our homemade cream cheese recipe)
  • Sweet onion

Helpful Kitchen Tools

 How to Make Cheesy Baked Onion Dip

Place cubes of cream cheese in a large bowl.

Cut cream cheese into cubes and put them into a large bowl

Soften cream cheese in microwave.

Place this in the microwave for 30-45 seconds just to soften it. 

Chop onions.

Chop up your onions until you’re tired of chopping up onions.

The ideal here would most likely be finely diced onion, but can you really see me sticking with it that long? You can use one of those little mini chopper things for this if you want.

Place chopped onion and cheese into bowl with cream cheese.

Toss your shredded cheese on top of your cream cheese.

Add mayonnaise to mixing bowl.

Put some mayo on top of all of that…

Add chopped onion to mixing bowl.

And then add the chopped onion to the mixing bowl.

Mix ingredients together.

Now it’s time to mix the ingredients together.

Grease a baking dish with cooking spray.

Spray a baking dish with cooking spray.

Any size works.

Spoon mixture into the greased baking dish.

Spoon the dip mixture into the prepared dish.

Baked onion dip.

Bake at 375 for 25 to 30 minutes until it looks as deliciously golden brown as this.

Lean into your computer and see if you can smell that.

Uh-huh, you know what I am talking about.

Close-up of cheesy baked onion dip.

And I know you can hear it bubbling… so my goodness you are just gonna have to make this yourself!

Scooping up onion dip with a corn chip.

You can serve this with corn chips (I use the scoops kind) or crackers.

Or what the heck, just use a spoon!

Storage

Store leftover dip in an airtight container in the fridge for up to 5 days. Reheat quickly in the microwave, oven, or air fryer to get that crispy top again. 

Recipe Notes

  • I use 1.5 cups of mild cheddar cheese and 1.5 cups of mozzarella cheese, but you can use all cheddar if you like. You might also like to use a combo that includes Swiss cheese, sharp cheddar cheese, pepper jack cheese, or parmesan cheese.
  • Add a cup of spinach and/or artichoke to make a mix between onion dip and spinach and artichoke dip.
  • For a little heat, add 1/4 teaspoon of cayenne pepper, 1/2 teaspoon of hot pepper sauce, or a couple of dashes of hot sauce.
  • For something different, serve your baked onion dip in a toasted bread bowl.
  • If you want to add some extra flavor, add 2 teaspoons of fresh minced garlic or garlic powder. 
  • Feel free to garnish your dip with freshly chopped parsley or sliced green onion.

Recipe FAQs

Do I have to use Vidalia onions in a baked onion dip?

Ideally, Vidalia onions are my go-to. However, they don’t come into season until late spring so just get a white onion and you’ll be just fine. Or if you have a yellow onion, saute it a little bit before adding it to the dish. This will make it more of a caramelized onion dip. 

Should I use pre-shredded or block cheese?

 Okay, I know the pre-shredded stuff is handy to have and I’m a HUGE fan of it. But for this recipe to be its ooiest and gooiest, you have gotta get a block of cheese and shred it yourself at home. They coat pre-shredded cheese in anti-caking agents to prevent it from clumping and that prevents it from melting together completely when you bake it as well. However, if you just really don’t want to shred your cheese for this or if you already have pre-shredded on hand and don’t want to spend extra money, go ahead and use it and it’ll be just fine.

Is French onion dip the same as onion dip?

This onion dip is very different from French onion dip. It’s only made with onions, while French onion dip uses a French onion soup mix along with dried onions and beef stock.

How do you make caramelized onion dip?

As mentioned above, to make caramelized onion dip, you’ll want to saute the chopped or sliced onions with butter in a skillet until caramelized. You’ll want to let them cool slightly before continuing with the recipe as instructed. The cooking time should be roughly the same, as the cheese needs time to melt.

Can I make my onion dip ahead of time?

Yes, you can prepare the dip and store the covered baking dish in the fridge up to 2 days in advance. Let it come to room temperature before baking as instructed.

What do you dip in baked onion dip?

You can serve the baked dip with crackers, corn chips, pretzels, crusty bread pieces, tortilla chips, pita chips, potato chips, or pita bread. Another option is vegetable sticks, like carrot sticks, celery sticks, or zucchini sticks.

When do you serve baked cheese onion dip?

I love to serve it as a game day or dinner party appetizer. But it also makes a delicious Thanksgiving or holiday side dish.

You may also enjoy these delicious dip recipes:

Cheeseburger Dip

Pumpkin Fritters with Orange Marmalade Dipping Sauce

Pimiento Cheese Dip

Grandmama’s Tex Mex Dip

Reuben Dip

Easy Buffalo Chicken Dip

Spoonful of cheesy baked onion dip.

Baked Onion Dip

My 4-ingredient baked onion dip recipe, with flavorful bites of sweet Vidalian onion, takes cheesy to a whole new level.
Prep Time: 5 minutes
Cook Time: 25 minutes
Total Time: 30 minutes
Course: Appetizer, Snack
Cuisine: American
Keyword: cheese, dip, onion
Servings: 4
Calories: 74.9kcal

Ingredients

  • 3 cups freshly shredded cheese*
  • 4 ounces cream cheese, cubed
  • 2-3 small Vidalia onions, diced
  • 1/2 cup mayonnaise

Instructions

  • Place the cubed cream cheese in a large bowl and microwave for about thirty seconds, just until soft.
    4 ounces cream cheese, cubed
  • Add diced onion, cheese, and mayo to the mixing bowl with cream cheese. Stir to combine.
    3 cups freshly shredded cheese*, 2-3 small Vidalia onions, diced, 1/2 cup mayonnaise
  • Spoon into a greased baking dish (8x8 works fine).
  • Bake at 375 for 25 to 30 minutes or until bubbly and lightly brown on top.
  • Serve with corn chips or crackers.

Notes

*I use 1.5 cups of mild cheddar cheese and 1.5 cups of mozzarella cheese, but you can use all cheddar if you like.

Nutrition

Calories: 74.9kcal
Tried this recipe?Mention @southernplate or tag #southernplate!

 

 

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266 Comments

  1. Hi Christy,
    I made this dip also for Superbowl. However, I caramelized the onions first and added a bit of s&p. HUGE hit. Not a drop left. Thanks.

  2. Hi Christy, this dip looks great, and I know my kids will love it. They love cheese, and anytime I cut up onions, I have to slap their hands, cause they are up stealing them before I can put them into the food! I had just finished “venting” to my friend about part of my bad weekend (I did close with a positive part of the weekend, though!) when I opened up this, and saw the bottom part of the post. It was definitely God telling me that yes, bad things are going to come around, but you can’t “stay stuck” on them. Think of all the good, wonderful & great things that happen in your life every day. Think of all the things we are saved from and don’t even know about. Think of how much you are loved, and how much you love others. Thanks for the message Christy, as always, it was timely and true…

  3. Hi Christy,

    I’ve been following your blog a couple years, and just love it! I made the onion dip for a Superbowl Party this weekend, and it was a winner! Thanks for sharing and your always fun posts!

    – Lauren G from NC

  4. Made the dip and found it had to eat as it was to thick and didn’t dip well.
    We has a hard time with our crackers breaking in it. The flavor was very good tho. Made mac and cheese out of the rest of it.

  5. This sounds so good, but being from Texas, I’m gonna dump in a can of Rotel!
    Just saying ~ a little heat is a good thing. Gonna make this for our upcoming
    RV rally. Thanks, Christi!

  6. Hi, Christi,
    Made this while ago for gorging on while watching the Super Bowl. My guy and I just love it! The best part of the presentation was getting to serve it in my new to me pyrex 1.5 qt bowl which actually still has its’ lid. I was fortunate to find it at a Marion Antique Store called Anderson-Barnes on Friday. Love your recipes and love to present them in vintage pyrex! The only change I’d probably make in the recipe is to add a little heat to it. Maybe a little cayenne?
    It’s really a great dip, thank you Christi for sharing!

      1. I don’t know the pattern, but it is bright yellow (my daughter’s comment was “Well, it sure is yellow!” I informed her that my pyrex collection will be worth even more some day, and she should remember that, because it’ll be hers down the road! If I were not so technically deficient, I would post a picture of it!

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