This hot onion dip is simply divine. With just a few ingredients, this is destined to be your go-to dip for easy, crowd-pleasing entertaining. Serve alongside cucumber canapes and ham and cheese puff pastry for a delicious party spread.
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I have an affinity for onion dip. Both cold varieties, like sour cream and onion dip, and this hot onion dip are deliciously addictive. They make the perfect bite when paired with a crispy, salty potato chip.
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Why This Recipe Works
- I have been making this dip for years. It has a wonderfully sweet onion flavor and a rich, creamy base.
- With six ingredients, this dip couldn't be easier to whip up, making it ideal for last-minute guests or snack cravings.
- A caramelized shallot topping highlights the onion flavor that awaits.
- I love serving this dip with crackers or potato chips or adding it to this chips and dip board alongside warm artichoke dip. It is also heavenly spooned over grilled chicken or as a filling for stuffed mushrooms.
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Ingredient Notes
- Mayonnaise provides richness to this dip. With just a few ingredients, be sure to use good-quality mayonnaise for the best flavor. I prefer Duke's or Hellman's. Both full-fat and light mayo work in this recipe. Avoid low-fat or fat-free varieties. Miracle Whip is not recommended in this recipe.
- Gruyere cheese provides a wonderful nuttiness. Swiss cheese can be substituted, although it will yield a milder flavor. Use freshly shredded cheese for the best flavor and melting quality.
- Sweet onions like Vidalia, Maui, and Walla Walla are milder than others and provide a sweet flavor. If sweet onions are not available, yellow onions can be used.
See the recipe card for complete instructions and ingredient amounts.
How to Make Hot Onion Dip
Step 1: Cook onions in butter until softened.
Step 2: Combine onions, mayo, and garlic in a mixing bowl.
Step 3: Fold in the shredded cheese.
Step 4: Transfer the mixture to a baking dish. Bake at 400℉ for 15-20 minutes until lightly browned and bubbling around the edges.
Step 5: While the dip bakes, cook the shallots in butter until brown and crisp.
Step 6: Drain the shallots on a paper towel. Add them to the top of the dip and serve.
Expert Tips
- Use freshly shredded cheese for the freshest taste and best melting quality.
- Grate the garlic to infuse garlic flavor into every bite. A microplane works great for this.
Onion Dip FAQs
Cool leftovers and store them in an airtight container in the refrigerator for up to 3 days. Reheat them in a 350℉ oven until warmed through.
Bagel or pita chips, crackers, crostini, potato chips, or veggie sticks are great dippers.
To prepare onion dip in a slow cooker, heat on low for 2-3 hours, stirring occasionally, until the cheese is melted. A small slow cooker works best.
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📖 Recipe Card
Hot Onion Dip
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EQUIPMENT
Ingredients
- 1 cup diced sweet onion
- 3 tablespoons butter (divided)
- 1 cup mayonnaise
- 1 cup shredded Gruyere cheese
- 1 clove garlic (grated)
- 1 shallot (sliced)
- black pepper (to taste)
Instructions
- Preheat the oven to 400℉.
- In a small skillet, heat 2 tablespoons butter over medium heat. Add the onions and cook for 5 minutes until soft and translucent.
- Add the onions to a mixing bowl and combine with the mayonnaise and garlic. Fold in the Gruyere cheese and season with pepper.
- Transfer the mixture to a small baking dish. Bake for 15-20 minutes until golden and bubbly.
- Meanwhile, in the same skillet used to cook the onions, add the remaining 1 tablespoon butter and heat over medium. Add the shallots and cook until golden brown. Transfer the shallots to a paper towel-lined plate to drain.
- After removing the dip from the oven, garnish with the fried shallots. Serve with chips or crackers.
Notes
Nutrition
Nutritional information is an estimate and will vary depending on the exact amounts and specific ingredients used.
Abbey McDermott says
This dip couldn't be easier to make, and its addictive flavor will win your guests over.