Olive Garden Salad Dressing Copycat Recipe

This copycat Olive Garden salad dressing recipe tastes so close to the restaurant version that you might not need to buy the bottled stuff again. It takes about 5 minutes to make, uses pantry staples, and keeps in the fridge all week.

It’s tangy, a little garlicky, and has that slight sweetness that makes it work on more than just salad.

Why I Love This Recipe

The balance is what gets me. Most Italian dressings lean too sharp or too oily, but this one has enough acid to cut through romaine without being harsh.

The mayo is the quiet reason it works. It gives the dressing a slightly creamy body that holds the emulsion together, so it doesn’t separate the second you set the jar down.

This is the version I keep coming back to when I want something quick that actually tastes like it came from a restaurant kitchen.

Recipe Ingredients

• 1/2 cup olive oil – Use a mild, light olive oil here; extra virgin can taste bitter in cold dressings
• 3 tbsp white wine vinegar – Gives the bright, tangy backbone; red wine vinegar works but is slightly sharper
• 1 tbsp mayonnaise – Full-fat; this is what keeps the dressing from breaking
• 1/2 tsp granulated sugar – Balances the acid; don’t skip it
• 1/2 tsp dried Italian seasoning – Or a mix of dried oregano, basil, and thyme
• 1/2 tsp garlic powder – Not garlic salt; the salt is added separately
• 1/4 tsp onion powder – Adds savory depth without any raw onion bite
• 1/4 tsp kosher salt – Start here, then taste and adjust
• 1/4 tsp black pepper – Freshly cracked if you have it
• 1/2 tsp lemon juice – Fresh or bottled; brightens everything at the end
• 1 tbsp grated Parmesan cheese – The finely grated kind, not shredded; it dissolves into the dressing

Variations / Substitutions

• Honey instead of sugar – Use 1/2 tsp; gives a slightly floral sweetness and a touch more body.
• Red wine vinegar instead of white wine vinegar – Slightly more robust flavor, still works well.
• Apple cider vinegar instead of white wine vinegar – Adds a mild fruitiness; goes well if you’re serving the dressing on a salad with apples or walnuts.
• Vegan swap – Replace the mayonnaise with an equal amount of vegan mayo and skip the Parmesan, or use nutritional yeast for a faint cheesy note.
• Extra heat – Add 1/4 tsp crushed red pepper flakes for a little warmth at the back of each bite.
• Extra garlic – Use 1 small fresh garlic clove, minced very fine, in place of the garlic powder for a sharper, more pungent result.

If you like this dressing, you might also want to try a Caesar Dressing from Scratch recipe for another restaurant-style classic.

How To Make Olive Garden Salad Dressing

Step 1: Whisk the Base Ingredients

Add the 1 tbsp mayonnaise, 3 tbsp white wine vinegar, 1/2 tsp sugar, 1/2 tsp garlic powder, 1/4 tsp onion powder, 1/4 tsp salt, 1/4 tsp black pepper, and 1/2 tsp dried Italian seasoning to a medium bowl or a jar with a tight-fitting lid. Whisk them together for about 30 seconds until the mayonnaise is fully dissolved and there are no white streaks left.

This step matters more than it looks. The mayo needs to be completely broken down before you add the oil, or the dressing will split and stay separated no matter how hard you shake it later.

Step 2: Stream in the Olive Oil

Slowly pour in the 1/2 cup olive oil in a thin, steady stream while whisking constantly. Take about 45 seconds to 1 minute to add it all. When it’s done, the dressing should look slightly thickened and uniform, not separated into two visible layers.

If you’re using a jar instead of a bowl, add the oil, cap it tightly, and shake it hard for about 1 minute. It won’t be as stable as the whisked version, but it comes together well enough for immediate use.

Step 3: Stir in the Parmesan and Lemon Juice

Add the 1 tbsp grated Parmesan and 1/2 tsp lemon juice, then give everything one more good whisk for about 15 seconds. Taste it now. If it needs more acid, add a few extra drops of lemon juice. If it tastes flat, a small pinch more salt usually fixes it.

The Parmesan won’t be visible as distinct pieces. It should dissolve into the dressing and just add a faint, savory, salty note that rounds out the sharpness of the vinegar.

Step 4: Dress the Salad and Serve

Drizzle the dressing generously over a bowl of chopped romaine, thinly sliced red onion, black olives, banana pepper rings, croutons, and a few cherry tomatoes. Toss until every leaf is lightly coated, then finish with a light extra dusting of grated Parmesan over the top and a crack of black pepper.

Recipe Tips

• Chill it first if you have time. The dressing tastes noticeably better after 30 minutes in the fridge. The dried herbs rehydrate and the garlic powder loses any raw edge.
• Finely grated Parmesan is key. The kind that comes in the green can works surprisingly well here because it’s so dry and fine it dissolves almost instantly. Coarsely shredded cheese will just sink to the bottom.
• Whisk again before using. Even a stable emulsion will relax in the fridge. A 10-second shake or stir before you dress the salad brings it back together.
• Don’t overdress. This dressing is fairly potent. Start with a couple of tablespoons per serving and add more from there. A soggy salad is harder to fix than an underdressed one.

Shake time by batch size:

How To Store

• Refrigerate – Keep the dressing in a sealed jar or airtight container for up to 7 days. The olive oil will solidify slightly when cold, which is normal.
• Serve Cold – Pull it from the fridge about 10 minutes before you need it, or set the jar in a bowl of warm water for a minute, then shake well before pouring.

What To Serve With Olive Garden Salad Dressing

A classic romaine-based Italian salad is the obvious move, but this dressing is sharp and herby enough to work as a marinade for chicken thighs before grilling. The acid tenderizes the meat and the dried herbs form a faint crust. It also works well drizzled over a white bean and roasted red pepper salad, where the creaminess of the beans softens the vinegar bite nicely.

Frequently Asked Questions

Can I make this dressing ahead of time?

Yes. It keeps in the fridge for up to 7 days and actually tastes better after the first hour once the dried herbs have had time to bloom.

My dressing separated in the fridge. Did I do something wrong?

No, that’s normal. Olive oil solidifies slightly when cold and the emulsion relaxes over time. A quick shake or whisk before serving brings it right back together.

Can I use fresh herbs instead of dried Italian seasoning?

You can, but fresh herbs are more pungent and watery, so start with about 1 tsp total of finely minced fresh oregano and basil combined, and taste as you go.

Is this dressing gluten-free?

Yes, every ingredient in this recipe is naturally gluten-free. Just check your mayonnaise label if you are serving someone with a sensitivity, as some brands include additives.

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Olive Garden Salad Dressing Recipe

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Prep Time 5 minutes mins

Total Time 5 minutes mins

Servings: 6 servings

Ingredients Method Notes

Ingredients

  

• 1/2 cup olive oil
• 3 tbsp white wine vinegar
• 1 tbsp mayonnaise
• 1/2 tsp granulated sugar
• 1/2 tsp dried Italian seasoning
• 1/2 tsp garlic powder
• 1/4 tsp onion powder
• 1/4 tsp kosher salt
• 1/4 tsp black pepper
• 1/2 tsp lemon juice
• 1 tbsp grated Parmesan cheese

Method

 

1. Add the mayonnaise, white wine vinegar, sugar, garlic powder, onion powder, salt, pepper, and Italian seasoning to a bowl. Whisk for 30 seconds until the mayonnaise is fully dissolved with no white streaks.
2. Stream in the olive oil slowly while whisking constantly over 45 to 60 seconds until the dressing looks slightly thickened and uniform.
3. Whisk in the Parmesan and lemon juice for 15 seconds, then taste and adjust salt or acid as needed.
4. Drizzle over romaine, toppings, and croutons, toss to coat, and finish with extra Parmesan and cracked black pepper.

Notes

This dressing tastes noticeably better after sitting in the fridge for 30 minutes, so make it first if you have the time. It will keep for up to 7 days sealed in a jar. The olive oil will firm up when cold, which is completely normal — just shake the jar well before you pour.