Savory Caramelized Onion Dip

Name: Savory Caramelized Onion Dip
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 large onions, thinly sliced; 2 tablespoons olive oil; 1 teaspoon salt; 1 cup cream cheese, softened; 1/2 cup sour cream; 1/2 cup shredded mozzarella cheese; 1/4 teaspoon black pepper; 1 tablespoon fresh thyme leaves (optional)

Highlighted under: Homestyle Recipe Favorites

I love hosting gatherings with friends and family, and there's nothing quite like setting out a delicious dip that everyone can enjoy. This Savory Caramelized Onion Dip quickly became a favorite at my parties. The sweet, caramelized onions combined with creamy ingredients create a deep, rich flavor that is truly irresistible. I always make sure to have a generous supply of crispy chips and fresh veggies ready for dipping, as I know this dip won't last long on the table!

Created by

Anna Johnson

Last updated on 2026-01-08T15:54:33.840Z

When I first tried making this dip, I was surprised by how easy it was to create something so wonderfully complex in flavor. The key to achieving that sweet, caramelized flavor lies in patience; allowing the onions to slowly cook down transforms their sharpness into a luscious sweetness. I've experimented with various blends of cheese, but I found that a mix of cream cheese and sour cream gives the dip an incredible creamy consistency that pairs perfectly with the onions.

I've also learned that serving this dip warm is a game changer. It not only enhances the flavors but makes it more inviting for guests. A sprinkle of fresh herbs or a drizzle of balsamic glaze just before serving adds an extra touch that really elevates the dip. Trust me, once you try this Savory Caramelized Onion Dip, it will become your go-to for any occasion!

        Why You'll Love This Recipe
        Rich, sweet flavor from perfectly caramelized onions
Creamy texture that complements crunchy veggies and chips
Simple ingredients that deliver impressive results

      

The Art of Caramelization

Caramelizing onions is a slow and rewarding process that brings out their natural sweetness. It’s essential to use medium heat to ensure the onions don't burn. Stir occasionally to promote even cooking and prevent sticking. You’ll know they’re done when they appear golden and have a glossy finish, usually after 20-30 minutes. If they’re browning too quickly, reduce the heat; if they're taking too long, it might be worth adding a splash of water to help them along.

Sugar content in onions can vary, impacting how they caramelize. Yellow onions are the best choice for this dip, as they balance sweetness and flavor well, resulting in that rich taste you want. If you find yourself short on yellow onions, you can substitute with sweet onions, but keep in mind that they may caramelize faster. Avoid using red or white onions as they don't lend the same sweetness and depth to the dip.

Texture and Flavor Balance

Incorporating cream cheese and sour cream creates a decadent, creamy base for the dip. The cream cheese provides a smooth, thick texture, while the sour cream adds a tangy depth that complements the sweetness of the caramelized onions. Be sure to soften the cream cheese before mixing to achieve a lump-free consistency. If you need a lighter alternative, consider using Greek yogurt instead of sour cream, which will maintain a similar tang while making the dip a bit healthier.

The shredded mozzarella cheese adds a delightful stretchiness to the dip when baked. To enhance the flavor even more, consider adding a hint of garlic powder or onion powder to the mix before baking. This charge of flavor will elevate the dip and keep your guests guessing its secret ingredients. Just be mindful not to overpower the caramelized onion flavor, as that should still be the star of the show.

Ingredients

For the Dip

2 large onions, thinly sliced
2 tablespoons olive oil
1 teaspoon salt
1 cup cream cheese, softened
1/2 cup sour cream
1/2 cup shredded mozzarella cheese
1/4 teaspoon black pepper
1 tablespoon fresh thyme leaves (optional)

Serve with your choice of chips, crackers, or fresh vegetables for dipping.

Instructions

Caramelize the Onions

In a large skillet over medium heat, heat the olive oil. Add the sliced onions and sprinkle with salt. Cook, stirring occasionally, for about 20-30 minutes until the onions are caramelized and golden brown.

Combine the Ingredients

In a mixing bowl, combine the caramelized onions, cream cheese, sour cream, shredded mozzarella, and black pepper. Mix well until smooth and creamy.

Bake the Dip

Transfer the mixture to a baking dish and spread it out evenly. Bake in a preheated oven at 350°F (175°C) for 20 minutes, or until bubbly and golden on top.

Garnish and Serve

Remove from the oven and sprinkle with fresh thyme if using. Serve warm with chips or vegetables.

For the best flavor, let the dip cool slightly before serving.

Pro Tips

For an extra depth of flavor, consider adding a splash of balsamic vinegar during the caramelizing process. You can also try mixing in some grated Parmesan for added richness.

Serving Suggestions

This dip is versatile and can be served with a variety of dippers. Pair it with crispy tortilla chips for a crunchy contrast or go for fresh veggies like celery sticks, carrots, and bell peppers for a healthier option. Consider presenting the dip in a large bowl surrounded by colorful veggie sticks for an eye-catching display at your gatherings. A sprinkle of additional thyme on top before serving can also elevate its visual appeal.

If you're planning a larger gathering, consider making a double batch. The dip can easily be scaled up without any changes to the cooking method. Just be mindful to use a larger baking dish to ensure even heating. For an extra layer of flavor, you might also try mixing in crumbled bacon or sautéed mushrooms after the onions have caramelized.

Make-Ahead and Storage Tips

This Savory Caramelized Onion Dip is perfect for preparing ahead of time. You can caramelize the onions the day before and store them in an airtight container in the fridge for up to a week. When you're ready to make the dip, simply mix the cold ingredients together, add the caramelized onions, and bake as directed. This not only saves time but allows the flavors to meld even more.

If you have leftovers, store them in the refrigerator in an airtight container for up to three days. Reheat gently in the oven at 350°F (175°C) until warmed through and bubbly, typically about 15-20 minutes. The dip can also be frozen for up to a month; just allow it to cool completely before transferring to a freezer-friendly container. Thaw overnight in the fridge before reheating.

Questions About Recipes

→ Can I make this dip ahead of time?

Yes, you can prepare the dip and refrigerate it before baking. Just bake it when you're ready to serve.

→ What can I use instead of cream cheese?

You can substitute cream cheese with Greek yogurt for a lighter option, though it may alter the flavor slightly.

→ How long does this dip last in the fridge?

When stored in an airtight container, the dip can last in the fridge for up to 3 days.

→ Can I freeze the dip?

Yes, you can freeze the unbaked dip. Just thaw it in the fridge overnight before baking.