This warm and cheesy dip combines rich cream cheese and gooey mozzarella with sweet onions for a tasty treat. Perfect for game days or cozy nights in!
I always find myself going back for seconds (or thirds!). You can never have too much cheese, right? Serve it with crunchy chips or fresh veggies for extra fun!
Key Ingredients & Substitutions
Cream Cheese: Use softened cream cheese for a smooth texture. If you’re looking for a lighter option, you can substitute with Greek yogurt or light cream cheese.
Cheddar and Mozzarella: I love the combination of sharp cheddar for flavor and mozzarella for creaminess. If you’re feeling adventurous, try using pepper jack for a spicy kick or any other cheese blend you enjoy.
Sweet Onion: Sweet onions like Vidalia are perfect for this dish. If you prefer a stronger taste, yellow onions work too. Just sauté them a bit longer to mellow out their flavor.
Sour Cream and Mayonnaise: These add richness to the dip. If you want to make it healthier, swap sour cream for low-fat yogurt and use light mayo.
Fresh Thyme: This herb complements the dish beautifully. If you don’t have thyme, oregano or basil can be good substitutes, giving a different but tasty flavor.
How Do You Get the Best Flavor from Your Onions?
Getting the onions just right is key for this dip! Sautéing them slowly helps bring out their natural sweetness. Here’s how to do it:
- Heat butter in a skillet over medium heat.
- Add the chopped sweet onion and cook for 8-10 minutes until they become soft and slightly caramelized.
- In the last minute, add the minced garlic, stirring until you smell that yummy aroma.
Let them cool before mixing into your cheesy base—this adds a perfect flavor without overwhelming your dip!

Baked Double Cheese and Sweet Onion Dip Recipe
Ingredients You’ll Need:
For the Dip:
- 1 cup cream cheese, softened
- 1 cup shredded sharp cheddar cheese
- 1 cup shredded mozzarella cheese
- 1 cup sweet onion, finely chopped
- 2 cloves garlic, minced
- 1/2 cup sour cream
- 1/4 cup mayonnaise
- 1 tablespoon butter
- 1 teaspoon fresh thyme leaves (plus extra for garnish)
- Salt and pepper to taste
For Garnish and Serving:
- 2 tablespoons green onions (scallions), chopped (for garnish)
- Crackers, for serving
How Much Time Will You Need?
This dip takes about 15 minutes to prepare and 20-25 minutes to bake. So in total, you’re looking at around 40-45 minutes from start to finish. Perfect for a quick appetizer when you have friends over!
Step-by-Step Instructions:
1. Preheat the Oven:
Start by preheating your oven to 375°F (190°C). This ensures that the dip will bake evenly and get that nice golden top!
2. Sauté the Onions:
Next, heat the butter in a skillet over medium heat. Add in the finely chopped sweet onion and sauté it for about 8-10 minutes, until they become translucent and slightly caramelized. In the last minute of cooking, toss in the minced garlic and stir until you can smell that delicious aroma. Once done, take it off the heat and let it cool for a moment.
3. Mix the Cheesy Base:
In a medium mixing bowl, combine the softened cream cheese, sour cream, and mayonnaise. Use a spatula or a mixer to blend them until smooth and creamy. This will be the base of your dip!
4. Combine All Ingredients:
Add the sautéed onion and garlic mixture to the creamy mixture. Then, stir in the shredded cheddar, mozzarella, and fresh thyme leaves. Be sure to season with a bit of salt and pepper to taste — this really enhances the flavors!
5. Prepare to Bake:
Transfer your cheese mixture into an oven-safe dish or a cast-iron skillet, smoothing the top for even cooking.
6. Bake It Up:
Place the dish in your preheated oven and bake for 20-25 minutes. Keep an eye on it! You’re looking for the dip to be bubbly and the top to turn a lovely golden brown.
7. Finishing Touches:
Once it’s out of the oven, let the dip cool for a few minutes. Then, garnish it with chopped green onions and a few sprigs of fresh thyme for that extra pop of color and flavor.
8. Serve and Enjoy:
Serve your warm dip with crunchy crackers. It’s a perfect snack or appetizer for any gathering. Enjoy every creamy, cheesy bite!
Can I Use Low-Fat Ingredients in This Dip?
Absolutely! You can substitute low-fat cream cheese, sour cream, and mayonnaise for a lighter version. Just keep in mind that the dip may be a bit less creamy but still delicious!
How Can I Make This Dip Ahead of Time?
You can prepare the dip a day in advance! Just follow the recipe through step 5, then cover and refrigerate. When you’re ready to enjoy, bake it directly from the fridge, but add an extra few minutes to the baking time to ensure it heats through.
What’s the Best Way to Store Leftover Dip?
Store any leftover dip in an airtight container in the fridge for up to 3 days. To reheat, just warm it gently in the oven at 350°F (175°C) until heated through, or microwave in short bursts, stirring in between.
Can I Freeze This Dip?
Yes, you can freeze this dip! Transfer it to a freezer-safe container and it can last for up to 3 months. Thaw it in the fridge overnight before baking, following the original instructions. Keep in mind the texture may change slightly after freezing, but it will still taste great!



