Homemade Sweet Onion Sauce

Recreate Subway’s famous sweet onion sauce with this easy copycat recipe. This Homemade Sweet Onion Sauce is perfect for drizzling on sandwiches, salads, or as a dip. With its delightful blend of sweet and tangy flavors, it’s suitable for various occasions, from casual lunches to festive gatherings.

Why You’ll Love This Recipe

  • Quick and Easy: This sauce comes together in just 15 minutes, making it a breeze to whip up anytime.
  • Flavor Packed: A balanced mix of sweetness and tanginess elevates any dish it accompanies.
  • Versatile Uses: Great as a sandwich sauce, salad dressing, or even a dipping sauce for snacks.
  • Homemade Goodness: You know exactly what goes into it, avoiding preservatives found in store-bought options.
  • Vegan Friendly: Perfect for various dietary preferences while still being incredibly tasty.

Tools and Preparation

To make the best Homemade Sweet Onion Sauce, you’ll need some essential tools in your kitchen. Gathering them beforehand will streamline your cooking process.

Essential Tools and Equipment

  • Saucepan
  • Whisk
  • Measuring cups
  • Measuring spoons
  • Airtight container

Importance of Each Tool

  • Saucepan: Ideal for combining all ingredients evenly and heating them properly.
  • Whisk: Ensures that all components are mixed thoroughly for a smooth texture.
  • Airtight container: Perfect for storing leftover sauce to maintain freshness.

Ingredients

Recreate Subway’s famous sweet onion sauce with this easy copycat recipe. Perfect blend of sweet and tangy flavors.

For the Sauce:

  • 1 Cup Sugar
  • 1/2 Cup Water
  • 6 Tablespoons White Vinegar
  • 1 1/2 Tablespoons Red Wine Vinegar
  • 1/2 Tablespoon Onion, freshly grated
  • 1 Tablespoon Cornstarch
  • 2 Teaspoons Dijon Mustard
  • 2 Teaspoons Mustard Powder
  • 1 Teaspoon Poppy Seeds
  • 1/2 Teaspoon Sesame Oil
  • 1/2 Teaspoon Onion Powder
  • 1/2 Teaspoon Salt
  • 1/4 Teaspoon Garlic Powder
  • 1/4 Teaspoon Celery Seed
  • 1/4 Teaspoon Paprika
  • 1/4 Teaspoon Black Pepper

How to Make Homemade Sweet Onion Sauce

Step 1: Combine Ingredients

Add all ingredients to a saucepan.

Step 2: Bring to a Boil

Bring the mixture to a boil while whisking constantly. Let it boil for 5 minutes.

Step 3: Simmer the Sauce

Reduce the heat to simmer for another 5 minutes, continuing to whisk continuously until well blended.

Step 4: Cool and Store

Remove from heat and allow the sauce to cool completely. Store in an airtight container in the refrigerator for up to one week.

With these simple steps, your homemade sweet onion sauce will be ready to enhance your meals! Enjoy this delicious condiment on sandwiches, salads, or as a unique dip.

How to Serve Homemade Sweet Onion Sauce

Homemade Sweet Onion Sauce is a versatile condiment that can elevate many dishes. Here are some creative ways to enjoy this delicious sauce.

As a Sandwich Spread

  • Perfect for drizzling on sandwiches, adding a sweet and tangy flavor that complements meats and veggies.

On Salads

  • Use it as a dressing for salads, providing a delightful taste that enhances the freshness of greens.

With Grilled Vegetables

  • Drizzle over grilled vegetables for an added layer of flavor that pairs well with smoky char.

In Wraps

  • Spread on wraps to add moisture and taste, making every bite more enjoyable.

With Chicken Tenders

  • Serve alongside chicken tenders as a dipping sauce, creating a nice balance of sweetness.

On Fish Tacos

  • Add it to fish tacos for an unexpected twist that brightens up your meal.
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How to Perfect Homemade Sweet Onion Sauce

To ensure your Homemade Sweet Onion Sauce turns out perfectly every time, consider these tips.

  • Use fresh onions: Freshly grated onion offers the best flavor compared to pre-packaged options.

  • Adjust sweetness: Feel free to tweak the sugar amount based on your taste preferences, making it sweeter or less sweet.

  • Whisk continuously: Whisking while cooking prevents lumps and ensures a smooth consistency in the sauce.

  • Experiment with vinegars: Different types of vinegar can change the flavor profile; try apple cider vinegar for a unique twist.

Best Side Dishes for Homemade Sweet Onion Sauce

Pairing side dishes with your Homemade Sweet Onion Sauce can create a balanced meal. Here are some great options:

  1. French Fries: Crispy fries are always a hit and pair wonderfully with the sweet onion sauce for dipping.

  2. Coleslaw: A refreshing coleslaw adds crunch and complements the sauce’s sweetness nicely.

  3. Baked Potatoes: Top baked potatoes with sweet onion sauce instead of traditional sour cream for a unique flair.

  4. Roasted Corn: Grilled or roasted corn slathered in this sauce brings out its natural sweetness.

  5. Veggie Chips: Serve homemade veggie chips with sweet onion sauce as a healthy snack option.

  6. Stuffed Peppers: Use this sauce as a drizzle over stuffed peppers for added flavor and moisture.

Common Mistakes to Avoid

When making your Homemade Sweet Onion Sauce, it’s easy to make some common errors. Here are a few mistakes to watch out for:

  • Skipping the whisking – Failing to whisk constantly can lead to clumps in your sauce. Make sure to whisk continuously while boiling and simmering for a smooth texture.

  • Using the wrong vinegar – Not using white vinegar or red wine vinegar will alter the flavor. Stick to the recipe for the best results.

  • Neglecting to cool properly – Allowing the sauce to cool in the pan can lead to overcooking. Transfer it to a separate container after removing from heat.

  • Ignoring storage tips – Storing in non-airtight containers can affect freshness. Always use airtight containers for longer shelf life.

  • Not adjusting sweetness – If you find the sauce too sweet, consider adding more vinegar. Taste and adjust as needed for your preference.

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Storage & Reheating Instructions

Refrigerator Storage

  • Store your Homemade Sweet Onion Sauce in an airtight container.
  • It will stay fresh for up to 1 week in the refrigerator.

Freezing Homemade Sweet Onion Sauce

  • Freeze in portioned containers or freezer bags.
  • The sauce can last up to 3 months in the freezer; just ensure it’s sealed tightly.

Reheating Homemade Sweet Onion Sauce

  • Oven – Preheat at 350°F (175°C), place sauce in an oven-safe dish, cover with foil, and heat until warm.
  • Microwave – Place sauce in a microwave-safe bowl, cover loosely, and heat in 30-second intervals until heated through.
  • Stovetop – Pour sauce into a saucepan over low heat, stirring frequently until warmed.

Frequently Asked Questions

What is Homemade Sweet Onion Sauce?

Homemade Sweet Onion Sauce is a delightful blend of sweet and tangy flavors that resembles Subway’s famous sauce, perfect for sandwiches and salads.

How long does Homemade Sweet Onion Sauce last?

When stored correctly in an airtight container, this sauce lasts up to 1 week in the refrigerator and up to 3 months when frozen.

Can I customize my Homemade Sweet Onion Sauce?

Absolutely! You can adjust sweetness by altering sugar levels or add spices like cayenne pepper for heat based on your taste preferences.

Is this Homemade Sweet Onion Sauce vegan?

Yes, this recipe is entirely vegan-friendly, making it suitable for various dietary needs without compromising flavor.

Final Thoughts

This Homemade Sweet Onion Sauce is not only easy to make but also incredibly versatile. It’s perfect for sandwiches, salads, and as a dip. Feel free to customize it with your favorite spices or flavors for a personal touch!

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Homemade Sweet Onion Sauce

Homemade Sweet Onion Sauce


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  • Author: Jessica
  • Total Time: 15 minutes
  • Yield: Approximately 12 servings 1x

Description

Elevate your culinary game with this easy Homemade Sweet Onion Sauce, a delightful copycat of Subway’s famous dressing. This versatile sauce is perfect for drizzling on sandwiches, salads, or as a dip for your favorite snacks. With its harmonious blend of sweet and tangy flavors, it’s an ideal addition to casual lunches or festive gatherings.


Ingredients

Scale
  • 1 cup sugar
  • 1/2 cup water
  • 6 tablespoons white vinegar
  • 1 1/2 tablespoons red wine vinegar
  • 1 tablespoon cornstarch
  • 1/2 tablespoon onion, freshly grated
  • 2 teaspoons Dijon mustard
  • 2 teaspoons mustard powder
  • 1 teaspoon poppy seeds
  • 1/2 teaspoon sesame oil
  • 1/2 teaspoon onion powder
  • 1/2 teaspoon salt
  • 1/4 teaspoon garlic powder
  • 1/4 teaspoon celery seed
  • 1/4 teaspoon paprika
  • 1/4 teaspoon black pepper

Instructions

  1. Combine all ingredients in a saucepan.
  2. Bring the mixture to a boil while whisking constantly for about 5 minutes.
  3. Reduce heat and simmer for an additional 5 minutes, whisking until well-blended.
  4. Remove from heat and let cool completely before storing in an airtight container.
  • Prep Time: 5 minutes
  • Cook Time: 10 minutes
  • Category: Condiment
  • Method: Sauce making
  • Cuisine: American

Nutrition

  • Serving Size: 30g
  • Calories: 100
  • Sugar: 22g
  • Sodium: 50mg
  • Fat: 0g
  • Saturated Fat: 0g
  • Unsaturated Fat: 0g
  • Trans Fat: 0g
  • Carbohydrates: 25g
  • Fiber: 0g
  • Protein: 0g
  • Cholesterol: 0mg

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