Creamy Baked Onion Dip

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It is no secret I love indulgent appetizers. In fact, I have shared two of my favorite appetizer recipes here, Neiman Marcus Cheese Dip and Cheesy Olive Bread. Creamy Baked Onion Dip is right at home among these recipes, this creamy cheesy, oniony dip is full of flavor and will be a hit at your next gathering.

Creamy Baked Onion Dip is incredibly easy to prepare. My friend Meredith (who happens to Vlog about all things GoPro and Video Production) gave me her version of this recipe when we met up at Starbucks before the holidays. Her recipe, or more accurately her Aunt’s recipe was the basis for my version, I went ahead and added 8 ounces of cream cheese. Because, this is a “sometimes” food, and I like to go all in on my sometimes foods ?


Creamy Baked Onion Dip

Creamy Baked Onion Dip

Prep Time: 10 minutes
Cook Time: 45 minutes
Total Time: 55 minutes

This creamy cheesy, oniony dip is full of flavor and will be a hit at your next gathering.


  • 1 large chopped sweet onion
  • 1 cup mayo
  • 8 oz. cream cheese softened
  • 8 oz. shredded cheese
  • dash salt and pepper


  1. Preheat oven to 350F. Spray a 9-inch pie dish (or 1o-inch, or similar-sized oven-safe baking dish) with cooking spray; set aside.
  2. In a large bowl, add all ingredients (except reserve about 1/2 cup cheese to be sprinkled on top) and stir to combine.
  3. Turn mixture out into a prepared dish, smoothing the top lightly with a spatula. Bake for about 45 to 50 minutes. Stir after about 10 minutes of baking and again after 20 minutes of baking. Keep an eye on the dip during the last half of the baking time, bake until top is golden browned, bubbly, and dip is done to your liking. Sprinkle with 1/2 cup of cheese during the last few minutes of baking.

There is nothing set in stone with this recipe, you can mix it up by trying different kinds of cheeses, I used shredded sharp cheddar, because it has a more assertive flavor, if you want to dip something like oven toasted garlic baguettes or beef sticks, a milder cheese like Monterey jack or mozzarella might be just what you are looking for.

The one ingredient I do not suggest substituting is the “sweet” Onion. You should be able to find Walla Walla, Vidalia, and Bermuda Onions easily in your local grocery store, they are famous for their sweet mild flavor, some people have even been known to eat them like apples. And here is an interesting little fact for you, there are lots of “sweet” onions on the market, but only onions grown in a specific area in the state of Georgia can be called Vidalia Onions. In 1986 Georgia’s state legislature passed the “Vidalia Onion Act” and trademarked the name. Vidalia Onions also happen to be the Official State Vegetable of Georgia.

When you are making this dip the cheese melts pretty quickly in the oven, but I think the longer baking time really helps meld all the flavors together. Early on in the baking time carefully give the dip a stir a couple of times, this will help distribute all the cheese for evenly, sprinkle additional cheese on the top and for the last half of the cooking time keep a close eye on the dip, the top will quickly start to turn golden brown.

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