This hot onion dip is unbelievably good and comes together in minutes. I first spotted it on Millions of Miles and had to try it right away. It’s creamy, cheesy, and just the kind of party dip that disappears fast — my husband came home and practically devoured the whole pan. It’s simple to make, great for entertaining, and always gets compliments. Below is a clear, streamlined version of the recipe with helpful tips, serving ideas, and storage notes so you can make it with confidence.
Fast and Easy Onion Dip
Prep Time: 10 minutes | Cook Time: 30 minutes | Servings: 10
Ingredients
- 24 ounces cream cheese, softened
- 1 medium onion, chopped or shredded
- 1/2 cup mayonnaise
- 2 cups Parmesan cheese, grated
Instructions
- Preheat the oven to 400°F (200°C). Grease an oven-safe baking dish.
- In a large bowl, combine the softened cream cheese, chopped or shredded onion, mayonnaise, and grated Parmesan. Stir until the mixture is smooth and evenly combined.
- Transfer the mixture to the prepared baking dish and spread it into an even layer.
- Bake at 400°F for about 30 minutes, or until the top is golden brown and the dip is bubbling around the edges.
- Remove from the oven and let it rest for a few minutes. Serve warm. Chips, toasted baguette slices, pita, or raw or roasted vegetables all work well for dipping.
Taste and Texture
This dip has a rich, creamy base from the cream cheese and mayonnaise, while the Parmesan adds a salty, nutty depth. The onion gives a fresh, slightly sharp flavor—using shredded onion creates more even distribution through the dip, while chopped onion adds more noticeable bursts of onion in each bite. The top crisps and browns in the oven for an appealing contrast to the soft interior.
Make-Ahead & Storage
You can prepare the dip mixture and keep it covered in the refrigerator for up to 24 hours before baking. If you have leftovers, store them in an airtight container in the fridge for up to 3 days. Reheat in a 350°F oven until warmed through, or microwave in short intervals, stirring between each interval for even heat. Note that the texture will be slightly firmer after refrigeration; a few minutes in the oven will restore a creamy consistency.
Variations and Substitutions
- For a sharper flavor, substitute half the Parmesan with shredded sharp cheddar or Asiago.
- For deeper onion flavor, caramelize the onion first: sauté sliced onion in a little oil or butter over low heat until deeply golden and sweet, then cool and add to the mixture.
- For a lighter result, use reduced-fat cream cheese and light mayonnaise; expect a slightly different texture and flavor profile.
- Add a pinch of garlic powder, smoked paprika, or fresh herbs like chives for extra aromatic notes.
Serving Suggestions
Serve this dip warm in the baking dish or transfer it to a warmed serving bowl. It pairs beautifully with sturdy chips (kettle-cooked work especially well), toasted bread slices, pita wedges, or an assortment of raw vegetables such as carrot sticks, celery, and bell pepper strips. For a simple presentation, garnish with a sprinkle of extra grated Parmesan, chopped chives, or a few cracks of black pepper.
Nutrition
Calories: 397 kcal | Carbohydrates: 5 g | Protein: 12 g | Fat: 37 g | Saturated Fat: 18 g | Polyunsaturated Fat: 6 g | Monounsaturated Fat: 9 g | Trans Fat: 0.02 g | Cholesterol: 87 mg | Sodium: 606 mg | Potassium: 127 mg | Fiber: 0.2 g | Sugar: 3 g | Vitamin A: 1077 IU | Vitamin C: 1 mg | Calcium: 306 mg | Iron: 0.3 mg
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Enjoy!
(recipe from: Millions of Miles)