Caramelized Onion Butter Board (Printable)

Savory caramelized onions combined with creamy butter for a rich spread on crisp bread.

# What You Need:

→ Caramelized Onions

01 - 2 large yellow onions, thinly sliced
02 - 2 tablespoons unsalted butter
03 - 1 tablespoon olive oil
04 - 1/2 teaspoon kosher salt
05 - 1/2 teaspoon sugar
06 - 1/4 teaspoon freshly ground black pepper

→ Butter Board

07 - 8 ounces unsalted butter, softened to room temperature
08 - 1/2 teaspoon flaky sea salt, plus extra for garnish
09 - 1 tablespoon fresh chives, finely chopped
10 - 1 teaspoon fresh thyme leaves (optional)
11 - Freshly ground black pepper, to taste

→ For Serving

12 - Crackers, for serving
13 - 1 baguette, sliced

# How to Make It:

01 - In a large skillet over medium heat, melt 2 tablespoons butter with olive oil. Add sliced onions and sprinkle with kosher salt and sugar. Stir well to coat evenly.
02 - Cook onions, stirring occasionally, for 35 to 40 minutes until deeply golden and caramelized. Reduce heat if onions brown too quickly. Season with black pepper and allow to cool to room temperature.
03 - In a medium bowl, combine softened butter with half of the caramelized onions, 1/2 teaspoon flaky sea salt, chives, and thyme if using. Mix until well combined and spreadable.
04 - Spread the butter mixture evenly onto a large serving board or platter using a spatula or the back of a spoon, creating swirled texture.
05 - Spoon remaining caramelized onions over the top. Sprinkle with additional flaky sea salt, extra herbs, and freshly ground black pepper.
06 - Serve immediately with crackers and baguette slices.

# Expert Advice:

01 -
  • Deeply savory and sweet caramelized onions provide a complex, gourmet flavor profile.
  • The combination of silky butter, fresh chives, and thyme is incredibly satisfying.
  • It is a visually stunning, vegetarian-friendly appetizer that is easy to prepare for any gathering.
02 -
  • Always let the caramelized onions cool to room temperature before mixing them into the butter to prevent it from melting.
  • Use the back of a spoon to create deep swirls in the spread; these peaks and valleys help catch the toppings and seasonings for a better presentation.
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