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–+ servings
Onion Sauce Subway

Homemade Onion Sauce Subway Bliss: Sweet & Tangy Delight

Try this delicious homemade Onion Sauce Subway that captures the sweet and tangy flavors you love. Perfect for sandwiches and more!
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Prep Time 10 minutes
Chill Time 30 minutes
Total Time 40 minutes
Servings: 4 servings
Course: Appetizers
Cuisine: American
Calories: 100
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Base
  • 1 cup mayonnaise use vegan mayonnaise for a plant-based option
  • 1 cup sweet onions finely chopped; yellow onions can be a substitute
For Sweetness
  • 2 tablespoons sugar honey or agave can be used as a substitute
For Tanginess
  • 2 tablespoons vinegar white vinegar or apple cider vinegar
For Flavor Enhancement
  • 1 teaspoon salt adjust to taste
  • 1 teaspoon black pepper consider using white pepper for milder flavor

Equipment

  • Mixing bowl
  • Whisk
  • Spatula
  • cutting board
  • Knife

Method
 

Step‑by‑Step Instructions for Onion Sauce Subway
  1. In a mixing bowl, start by adding a generous amount of mayonnaise. Aim for a smooth texture, ensuring no lumps.
  2. Finely chop your sweet onions and fold them into the mayonnaise carefully.
  3. Stir in the sugar, vinegar, salt, and black pepper until thoroughly combined.
  4. Taste your sauce and adjust sweetness or tanginess as desired.
  5. Refrigerate the mixture for at least 30 minutes to let the flavors meld.

Nutrition

Serving: 1tablespoonCalories: 100kcalCarbohydrates: 6gProtein: 1gFat: 9gSaturated Fat: 1gPolyunsaturated Fat: 0.5gMonounsaturated Fat: 7gCholesterol: 5mgSodium: 150mgPotassium: 20mgSugar: 2gVitamin A: 2IUVitamin C: 1mgCalcium: 1mg

Notes

This sauce stays fresh in an airtight container for up to 7 days and can be frozen for up to 3 months. Allow it to chill for enhanced flavor.

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