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    Home » Recipes » Finger Food

    Addictive Onion Chip Dip

    February 27, 2026 By Sara McCleary Updated February 27, 2026 - This post may contain affiliate links

    Jump to Recipe

    This simple chip dip is rich in roasted red onion flavour. Creamy with the tang of mustard and gherkin. Grab your favourite thick-style kettle-cooked chips and dip away.

    Black bowl with dip surrounded by thick cut chips.

    This is a hearty, flavour-packed chip dip. Bold flavours of roasted red onion, gherkins and green olives. A perfect dip to serve with drinks at a lazy barbecue. Especially with steaks sizzling away on the grill.

    Oven-roast the red onions and make the dip the day before. It will appreciate the settling in the fridge to get those flavours to meld. This is simple and tasty entertaining at its best.

    After more than one homemade dip? Why not also serve up smoked salmon dip or everything bagel dip?

    Sara xxx

    This recipe is part of my "just recipes" collection. Short intro and the recipe, simple. Please see Belly Rumbles' recipe index for more in-depth and guided recipes.

    Dip in a bowl with chips for dipping.

    Printable Recipe

    Easy onion chip dip recipe.

    Chip Dip

    Recipe Author: Sara McCleary
    This simple chip dip is rich in roasted red onion flavour. Creamy with the tang of mustard and gherkin. Grab your favourite thick-style kettle-cooked chips and dip away.
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    Prep Time 15 minutes mins
    Cook Time 20 minutes mins
    Chilling Time 1 hour hr
    Total Time 1 hour hr 35 minutes mins
    Course Appetiser, Appetizer, Entertaining, party food, Snack
    Cuisine American
    Servings 4
    Calories 172 kcal

    Ingredients

    • 2 large red onions
    • olive oil
    • salt
    • 200 g (¾ cup) Crème fraîche
    • 60 g (¼ cup) thick cream
    • 1 tablespoon whole grain mustard
    • 2 teaspoon white wine vinegar
    • 3 gherkins | finely chopped
    • 2 teaspoon gherkin brine from the gherkin jar
    • 50 g (¼ cup) green olives | finely chopped
    • salt and pepper
    • 2 sprigs of flat-leafed parsley to serve | finely chopped
    • potato chips to serve

    Instructions
     

    • Pre-heat oven to 190° (375°) and line a baking tray with parchment paper.
    • Remove the outside papery skin from the red onions. Cut onions into 1cm (⅓ inch) slices and lay them in a single layer on the prepared baking tray.
      Drizzle onion slices with a little olive oil and a sprinkle of salt.
      Bake for approximately 20 minutes until deep golden and starting to char.
      Remove from the oven and set aside to cool.
    • Once onions have cooled, finely chop and place in a medium sized bowl.
    • Add crème fraîche, thick cream, mustard, vinegar, gherkin, gherkin brine, and olives. Mix until combined.
    • Taste and season with salt and pepper as required. Remember that you will be serving this with salty potato chips. Go easy on the salt.
    • Place the chip dip in the fridge for at least 1 hour before serving.
    • Serve sprinkled with finely chopped parsley and potato chips.

    Oven Temperatures

    All oven temperatures are fan forced.

    Measurement Notes

    All measurements are Australian metric standard. All measures are level, and cups are lightly packed unless specified. 1 teaspoon = 5ml / 1 tablespoon = 20mls / 1 cup = 250ml /4 teaspoons = 1 tablespoon.

    Recipe Notes

    Dip can be made the day before and will keep in the fridge for up to 1 week in an airtight container.

    NUTRITIONAL INFORMATION

    The recipe's nutritional information is an approximation based on an online calculator. It is meant solely for reference purposes. If you're looking for precise details, be sure to double-check with your own research.

    Calories: 172kcalCarbohydrates: 4gProtein: 2gFat: 17gSaturated Fat: 9gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gCholesterol: 46mgSodium: 280mgPotassium: 91mgFiber: 1gSugar: 2gVitamin A: 586IUVitamin C: 1mgCalcium: 70mgIron: 0.2mg
    Did You Make This Recipe?I do a happy dance when people share how they went. Tag me on Instagram @bellyrumbles & #bellyrumbles
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    Well hello there! I’m Sara McCleary a food lover and avid traveller.

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