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Home / Homemade / Crockpot Onion Dip

Crockpot Onion Dip

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CP A

Author:

Kimber Matherne

Updated:

March 24, 2026

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This Crockpot French Onion Dip is a made-from-scratch version of everyone’s favorite chip dip! This mouthwatering appetizer is rich, creamy, and has the perfect sweet onion flavor. Just 10 minutes of hands-on time needed!

side view of slow cooker french onion dip in a shallow bowl. this Recipe

Table of contents

Toggle
  • Why I LOVE this recipe!
  • Recipe Notes
  • Ingredients + Substitutions
  • Recipe Variations
  • Recipe Step by Step
  • Recipe Tips
  • Recipe Short Cuts
  • What to Serve with Onion Dip
  • Onion Dip Leftovers
  • Recipe FAQ’s
  • More EASY Dip Recipes
  • Crockpot Onion Dip Recipe

This Crockpot Onion Dip is a made-from-scratch version of everyone’s favorite chip dip made so much better with real onion in your slow cooker!

It’s creamy, rich, and perfectly onion-y. You’ll never buy store-bought onion dip again!

Why I LOVE this recipe!

  • Quick prep – No more than 10 minutes of hands-on time needed to put this recipe together.
  • Make-ahead friendly – Start the onions in your slow cooker before you go to bed, then assemble your dip the next day.
  • Amazing flavor – You can’t put sweet, slow-cooked onions, the creamiest base, and hot sauce all together and it not be mouthwateringly delicious.
  • Versatile – Enjoy this as an actual dip with chips or veggies, spread it on sandwiches or burgers, you name it. This Onion Dip adds incredible flavor to anything and everything!

Recipe Notes

This crock pot French Onion Dip recipe is as simple as promised! Just a 10 minutes of prep for a crowd-favorite appetizer.

In this section I am going to go through a few tips and tricks I use for how to make the Best French Onion Dip, and to get the absolute best and most delicious results.

Make sure to scroll to the bottom for the FULL recipe card.

Ingredients + Substitutions

ingredients for onion dip next to a slow cooker.
  • Onions – White or yellow onions work great for this recipe. You’ll need 3 large onions or 4 medium ones.
  • Olive Oil
  • Salt and Pepper
  • Sour Cream
  • Cream Cheese – Use full-fat cream cheese for the best texture.
  • Mayonnaise
  • Hot Sauce – This is optional, but does add a really great kick of heat.

Make sure to see the recipe card at the bottom of this post for the full quantities and ingredients list.

Recipe Variations

If you love this recipe as much as we do and want some quick ways to change it up for variety, these little tips will do the trick!

  • Spice it up – The hot sauce adds a delicious layer of spice, but if you want some extra heat, try sprinkling in some cayenne pepper or red pepper flakes OR chopped jalapeño.
  • Add a protein – Fill your dip out by mixing in cooked and crumbled bacon or shredded, cooked chicken.
  • Lighten it up – Lighten your dip up just a little bit by swapping the sour cream out for plain Greek yogurt.

Recipe Step by Step

I am going to highlight a few key steps in the recipe here, but make sure to jump down to the recipe card for comprehensive instructions on how to make Slow Cooker French Onion Dip.

sliced onions in a crockpot.

Cut each onion in half, discard the ends and the peel, then slice into thin strips. Place into your crockpot, then season with salt and pepper. Toss well, then cook on low for 8 hours.

caramelized onion, sour cream, cream cheese, and hot sauce in a slow cooker.

Once the onions are cooked, add in the sour cream, cream cheese, mayonnaise, and hot sauce.

creamy onion dip in a crockpot.

Mix to fully combine, then taste and re-season if needed.

finished onion dip in a slow cooker.

Transfer your dip to a serving dish, then dig in!

Recipe Tips

  1. Thinly slice the onions – I recommend slicing the onions pretty darn thinly so they get deliciously soft in the crockpot.
  2. Cook on low – Low and slow is key for that perfect onion texture and flavor.
  3. Soften the cream cheese – Softened cream cheese incorporates beautifully into the rest of the dip. Give it around 30 minutes on the counter to avoid any lumps.

Recipe Short Cuts

If you need to make this recipe, but are extra short on time, here are a few ideas that can help make this recipe even faster!

  • Cook the onions in advance – Since it takes 8 hours, feel free to cook your onions overnight, then assemble your dip the next day!
  • Make ahead and store – This dip will last 3-4 days in the refrigerator without losing any of that delicious flavor and texture. Feel free to prep it ahead of time to be served later on.
  • Use onion soup mix. Want an extra short short cut? Skip the slow cooker and onions altogether, and mix everything in a bowl with Homemade Onion Soup Mix.
above image of onion dip in a shallow bowl.

What to Serve with Onion Dip

Since this protein based dinner has the delicious flavors of tangy cream cheese and sweet onions, it will pair well with many of your favorite classic dippers. Here are some of my favorites:

  • Potato Chips
  • Baguette Slices
  • Pita Chips
  • Pretzels
  • Fresh Veggies (sliced cucumber, pepper, carrot, etc.)

Enjoy this appetizer on its own, or enjoy as part of a larger spread of appetizers for your next party! Here are some of my favorite appetizer pairings:

  • Jalapeño Popper Chicken Sliders
  • Hot Honey Chicken Tenders
  • Honey Sriracha Meatballs
  • Baked Turkey Cheese Sliders

Onion Dip Leftovers

If you have leftovers after making this recipe, then it is your lucky day! They save and reheat well, and can make the start of another delicious dish.

To save leftovers, separate into meal sized portions, then place in an airtight container and store:

  • in the refrigerator for 3-4 days

Leftover Recipes

Here are a few ways to repurpose those leftovers and give them a delicious makeover!

  • Loaded Baked Potato – Use your leftover onion dip in place of the sour cream in these Loaded Steak Stuffed Baked Potatoes—fluffy potato piled with juicy steak, garlic butter, melty cheddar, green onions, and bacon.
  • Burger – Use this onion dip as a spread for any of your favorite burgers! Try it on Southwest Burgers, Buffalo Chicken Burgers, or a classic beef cheeseburger with all your favorite toppings.
  • Creamy Chicken Bake – Swap the cream cheese and mayonnaise out for leftover onion dip in my Million Dollar Chicken Bake. This bake is reach, bold, comforting, and a family favorite.

Recipe FAQ’s

Why is my Onion Dip watery?

Sour cream can separate as it sits, so that can cause the dip to look a little bit watery. If you notice some separation, simply give it a stir and you’re back to that perfect creamy texture.

Can you freeze Onion Dip?

Technically, yes. Onion dip will last in a freezer-safe container in the freezer for up to 3 months. Keep in mind that freezing and thawing a creamy dip can affect the texture slightly.

More EASY Dip Recipes

If you enjoyed this recipe, then I really hope you will take a moment to grab a few more easy recipes for another busy night!

You can check out all of my easy appetizer recipes here, or see a few of our readers favorite dip recipes below.

  • Crockpot Buffalo Chicken Dip
  • Mexican Street Corn Dip
  • Green Chile Dip
  • Spinach Artichoke Dip
above image of a large, shallow bowl filled with easy french onion dip.

Crockpot Onion Dip

By: Kimber Matherne
No ratings yet
This Crockpot French Onion Dip is a made-from-scratch version of everyone's favorite chip dip! This mouthwatering appetizer is rich, creamy, and has the perfect sweet onion flavor. Just 10 minutes of hands-on time needed!
Prep Time: 10 minutes mins
Cook Time: 8 hours hrs
Total Time: 8 hours hrs 10 minutes mins
8 Servings
Rate this Recipe Print Pin SaveSaved!

Ingredients 

  • 3 large onions, or 4 medium onions
  • 1 tablespoon olive oil
  • 1/4 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/2 cup sour cream
  • 4 ounces cream cheese (half brick), softened
  • 1/2 cup mayonnaise
  • 2 teaspoon hot sauce, optional

Instructions 

  • To prepare the onions: Half each onion and discard the ends and peel. Then slice each half into thin strips.
  • To cook the onions: Place all onion in the crockpot. Drizzle with oil then season with salt and pepper and mix to coat.
    Cover and cook on low for 8 hours. (Many times I will do this overnight and let it sit on "keep warm" until I am ready to make the dip.)
  • To make the dip: Stir in sour cream, softened cream cheese, mayonnaise, and hot sauce. Mix until everything is combined. Taste and season with additional salt and pepper if desired.
    Note: If you want a thicker dip you can remove the onions and drain the juices. I like to keep them because they are so flavor packed.
  • To serve as a hot dip, keep in the slow cooker on the "keep warm" setting. To serve as a cold dip, transfer to a container and chill for at least 1 hour, or until you serve the dip.
Last step!Share a picture on Instagram and tag me at @easyfamilyrecipes!

Recipe Notes

This dip can be served warm or cold and will thicken when chilled.

Nutrition Information

Calories: 206kcal (10%), Carbohydrates: 5g (2%), Protein: 2g (4%), Fat: 20g (31%), Saturated Fat: 6g (38%), Polyunsaturated Fat: 7g, Monounsaturated Fat: 6g, Trans Fat: 0.03g, Cholesterol: 29mg (10%), Sodium: 239mg (10%), Potassium: 102mg (3%), Fiber: 1g (4%), Sugar: 3g (3%), Vitamin A: 292IU (6%), Vitamin C: 4mg (5%), Calcium: 39mg (4%), Iron: 0.2mg (1%)

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I’m Kimber. Mom of 3 and home cook.

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two images for french onion dip, one with ingredients in a slow cooker and the second with the finished dip in a serving dish.
two images for slow cooker onion dip, one with ingredients needed and the other with finished dip in a serving dish.
above image of easy french onion dip in a serving dish.
a shallow dish of onion dip sitting next to a slow cooker.
how to make french onion dip, 1) slice onions, then add to crockpot, 2) cook, then add in sour cream, cream cheese, and mayo, 3) stir to combine, 4) serve and enjoy!
how to make french onion dip, 1) slice onions, then add to crockpot, 2) cook, then add in sour cream, cream cheese, and mayo, 3) stir to combine, 4) serve and enjoy!

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