Hot Onion & Cheese Dip

Four ingredients and quick to make, Hot Onion & Cheese Dip is full of cheesy, oniony flavors that, once you start, you can’t stop eating!

Hot Onion & Cheese Dip might look like a lot of other dips, but as soon as you take a bite, you won’t be able to stop until the bowl is licked clean! This unbelievably delicious dip is made with only four ingredients: mayo, onion, Swiss cheese, and garlic salt, so it’s fast to make when everyone has cleared out the first bowl of dip!

looking down at a dish of hot onion & cheese dip with recipe name at the bottom

Addictive Dip

What is it about the combination of cheese and onions that turns people into ravenous creatures at the snack table? Myself included, obviously. I throw together Hot Onion & Cheese Dip for most of our game day parties, both because it’s so easy and because I would get a lot of angry looks if I didn’t! The combination of sweet onions and rich Swiss cheese mellowed out with creamy mayo, makes a dip that is too good on chips, bread, and crispy veggies.

Onions are the secret ingredient to making dips incredible, so try out 1 Minutes French Onion Dip and Salsa Onion Dip at your next get-together, and don’t be surprised when they’re gone in under a minute!

Other Recipes to Serve with Hot Onion & Cheese Dip

  • Great game day food has to include mouthwatering Crack Chicken Sliders and these certainly fill a crowd!
  • Set out a tasty and easy-to-make Crispy Air Fryer Blooming Onion for the gang and watch it bloom disappear!

Ingredients

ingredients to make hot onion & cheese dip in bowls on a counter

Onion: Pick up a sweet yellow onion to chop for this dip. A white onion can be used as well.

Cheese: Bring a ton of flavor to this dish using Swiss cheese! Freshly grated Swiss will melt the best, but you can use pre-shredded if needed.

Mayo: Light mayo provides an incredible creaminess to this dip, but you can also use whatever mayo you have on hand.

Seasoning: A little garlic salt is all you need to amp up this dip.

How to Make Hot Onion & Cheese Dip

STEP ONE: Preheat the oven to 350 degrees F and grease a 2-quart casserole or an 8-inch x 8-inch baking dish. Mix the chopped onions, shredded Swiss cheese, mayo, and garlic salt in a large bowl.

onion & cheese dip ingredients in a mixing bowl

STEP TWO: Add the onion and cheese mixture to the prepared casserole dish and bake for 30-35 minutes until the top is golden brown.

onion & cheese dip mixture spread out in a casserole dish

STEP THREE: Remove the dip from the oven and serve immediately with chips, bread, and veggies for dipping.

baked hot onion & cheese dip on a wooden board with bread slices, crackers, and veggies strips surrounding the dish

Tips for Success

  • A yellow sweet onion is great in this dip as the sweetness works so well with the tangy Swiss, but a white onion will be tasty, too. Chop the onion rather than slicing it for easier dipping.
  • Pre-shredded cheese typically includes an ingredient to prevent the cheese from sticking together, which also doesn’t let it melt, so if you can, grate the Swiss yourself.
  • Mix this dip up a day or two ahead of time and keep it covered in the fridge until you are ready to bake it. It will take a few more minutes to cook in the oven since the ingredients are cold. Store the baked dip in the fridge for up to five days.
toasted bread slice being dipped into a dish of hot onion & cheese dip

What do I serve with Hot Onion & Cheese Dip?

There isn’t much that doesn’t go incredibly well with the cheesy, creamy, and onion flavors of this dip! Set out a variety of chips for dipping, such as Fritos scoops, tortilla chips, and wavy potato chips. Toasted baguette slices, pita bread, or toasted sourdough slices are delicious with onion dip, as are celery sticks, carrot sticks, and halved sweet peppers. This dip is so good it almost doesn’t matter what kinds of chips and bread you serve with it. Everyone will love it!

hand holding a bread slice after being dipped into hot onion & cheese dip and a cheese pull from the dish

What onion is best for making dip?

The types of onions available at your local store can be varied or limited, so if you have options, here are a few suggestions. A sweet, mellow onion, such as Vidalia or shallots, can be great onions for dips or dishes where onions are the star ingredient. White or red onions also work well; instead of being sweet, they have more of a bite and a more substantial presence. When paired with another strong ingredient, like Swiss, whichever onion you use will taste amazing in this dip.

slice of baguette stuck into a dish of hot onion & cheese dip

So Many More Dips to Try!

*This post was originally posted on 08/15/2017.

square image of hot onion & cheese dip with golden brown top in a casserole dish

Hot Onion & Cheese Dip

Aubrey
Four ingredients and quick to make, Hot Onion & Cheese Dip is full of cheesy, oniony flavors that, once you start, you can't stop eating!
4.25 from 4 votes
Prep Time 10 minutes
Cook Time 35 minutes
Total Time 45 minutes
Course Appetizer
Cuisine American
Servings 10
Calories 338 kcal

Ingredients
  

Instructions
 

  • Preheat your oven to 350 degrees F.
  • In a medium mixing bowl, stir together the mayo, onion, swiss cheese, and garlic salt until evenly combined.
  • Spread the dip mixture into a 2-quart casserole dish or 8-inch x 8-inch baking dish. Bake for 30-35 minutes or until the top is golden brown.
  • Remove from the oven and let sit for 5-10 minutes before serving with baguette slices or chips for dipping.

Nutrition

Calories: 338kcalCarbohydrates: 3gProtein: 13gFat: 31gSaturated Fat: 11gPolyunsaturated Fat: 11gMonounsaturated Fat: 7gTrans Fat: 0.04gCholesterol: 52mgSodium: 344mgPotassium: 65mgFiber: 0.2gSugar: 1gVitamin A: 391IUVitamin C: 1mgCalcium: 410mgIron: 0.2mg
Keyword onion & cheese dip, onion and cheese dip
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19 Comments

  1. 5 stars
    I have been making this for years. Literally. Only I use cheddar cheese and we use Triscuits. It has been a staple for every Christmas Eve gathering. My daughter has also stuffed Pillsbury Dough crescents with it. YUM!!!

  2. love the sound of this dip – but what is sweet onion – in australia we have brown white and red onions or small spring onions

    cheers

  3. This is a great appetizer. It would be great to start off our Thanksgiving Dinner. Thanks for sharing this during Our Little Family Adventure’s Thanksgiving Menu Planning Event. I’ve added a link to your recipe on my planning post. ~Nicky

  4. I really think I could live on just dips! This recipe is amazing and I love all of the gooey cheese. I picked this recipe as one of the features at Wake Up Wednesdays! Check it out http://thetastyfork.com/2013/10/29/wake-up-wednesdays-link-party-10/

  5. Hi there, your blog is so lovely! Thank you for coming to Weekend Potluck. I would love to feature this recipe, but alas we have to have a link back within the shared post, to be able to do so. If you are willing, I’d love to vote for you this week…..let me know!
    ~Tonya from 4 little Fergusons

    1. Thank you so much Tonya! I added the link to my post. I really appreciate you featuring this recipe at your Weekend Potluck!

  6. This sounds like a super yummy onion dip! Thanks for sharing at Simple Supper Tuesday.

  7. Hello from Iowa…. Yum 🙂 I like the idea of putting the dip on top of steaks … what chips did you use 🙂 thanxs…… marilyn !

4.25 from 4 votes (3 ratings without comment)

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