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Charred Onion Dip

A creamy, smoky dip made with charred alliums, mayo, and sour cream. Perfect for parties and gatherings, this dip combines the sweetness of caramelized onions with fresh herbs and a tangy finish.

6 servings
20 min
Published October 4, 2025

Ingredients

  • •1 whole thinly sliced shallot
  • •1 whole thinly sliced leek
  • •2 whole thinly sliced scallions
  • •2 tablespoons olive oil
  • •1 clove grated garlic clove
  • •½ cup mayonnaise
  • •½ cup sour cream
  • •2 teaspoons fresh lemon juice
  • •1 teaspoon chopped thyme, plus more for topping
  • •2 tablespoons buttermilk
  • •1 to taste Salt
  • •1 to taste Pepper

Cooking Instructions

  1. 1.

    Heat broiler. Toss 1 thinly sliced shallot, 1 thinly sliced leek, and 2 thinly sliced scallions with 2 tablespoons olive oil; season with salt. Broil, tossing once, until charred, 10-15 minutes. Let cool. Mix with 1 grated garlic clove, 1/2 cup mayonnaise, 1/2 cup sour cream, 2 teaspoons fresh lemon juice, and 1 teaspoon chopped thyme. Thin with 2 tablespoons buttermilk; season with salt and pepper. Serve topped with thyme.

    20 min

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