Roasted Onion Mayonnaise Recipe

4 stars
4.12 (11)
Roasted Onion Mayonnaise Recipe
Prep Time:
10 mins
Cook Time:
15 mins
Total Time:
25mins
Recipe by Administrator
Published on January 16, 2024

This enticing roasted onion mayonnaise recipe is perfect for adding a burst of flavor to any sandwich or burger. The caramelized onions add a rich and smoky taste, while the homemade mayonnaise brings a creamy and tangy touch. This easy-to-make condiment will become your go-to sauce for elevating any dish.

Ingredients

  • 1 large onion
  • 2 tablespoons olive oil
  • 1 cup mayonnaise
  • 1 tablespoon Dijon mustard
  • 1 tablespoon lemon juice
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper

Directions

  1. Preheat the oven to 400°F (200°C).
  2. Slice the onion into 1/4-inch thick rounds.
  3. Place the onion slices on a baking sheet and drizzle with olive oil. Use your hands to toss and coat the onion slices evenly.
  4. Roast in the preheated oven for 20-25 minutes, or until the onions are caramelized and golden brown. Remove from the oven and let cool.
  5. In a mixing bowl, combine the roasted onions, mayonnaise, Dijon mustard, lemon juice, salt, and black pepper. Mix well until all the ingredients are incorporated.
  6. Transfer the mixture into a jar or airtight container and refrigerate for at least 1 hour to allow the flavors to meld together.
  7. Serve the roasted onion mayonnaise as a dip, spread, or condiment for sandwiches, burgers, or fries. Enjoy!

Interesting Facts

  • Roasting the onions brings out their natural sweetness and adds a depth of flavor to the mayonnaise.
  • Homemade mayonnaise gives this recipe a fresh and vibrant taste compared to store-bought alternatives.
  • The tanginess of Dijon mustard and lemon juice complements the sweetness of the caramelized onions perfectly.
  • This roasted onion mayonnaise can be stored in the refrigerator for up to one week.
  • You can customize this recipe by adding herbs or spices like garlic powder or paprika for an extra kick of flavor.