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French Onion Chip and Dip Crostini
Cheese & DairyIntermediate40 min

French Onion Chip and Dip Crostini

This crostini elevates the classic chip and dip with the rich, savory flavors of French onion soup. Sweet, deeply caramelized onions are folded into a creamy, herbed base and topped with nutty, melted Gruyère cheese, creating a comforting and luxurious bite. The result is a warm, sophisticated appetizer that is perfect for celebrating National Chip and Dip Day.

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Ingredients

  • baguette, sliced into 1/2-inch thick rounds
  • large yellow onions, thinly sliced
  • tablespoons unsalted butter
  • teaspoon fresh thyme leaves
  • 1/4 cup dry white wine (optional, for deglazing)
  • oz cream cheese, softened
  • 1/4 cup sour cream
  • oz Gruyère cheese, shredded
  • Salt and freshly ground black pepper to taste

Prep Steps

  1. 1**Caramelize Onions:** Melt butter in a skillet over medium
  2. 2low heat. Add sliced onions and thyme. Cook slowly for 20 minutes
  3. 3minutes, stirring occasionally, until deeply golden brown and sweet. Deglaze with white wine, if using, and cook until evaporated. Season with salt and pepper.
  4. 4**Prepare Topping:** In a bowl, combine the softened cream cheese, sour cream, and half of the caramelized onions. Mix until well combined and creamy.
  5. 5**Toast Crostini:** Brush baguette slices lightly with olive oil and toast in a 375°F (190°C) oven for 8 minutes
  6. 6minutes until lightly golden and crisp.
  7. 7**Assemble and Bake:** Spread a generous layer of the cream cheese mixture onto each crostini. Top with the remaining caramelized onions and a sprinkle of shredded Gruyère cheese.
  8. 8**Finish:** Return the crostini to the oven and bake for 5 minutes
  9. 9minutes, or until the Gruyère is melted, bubbly, and lightly browned. Garnish with fresh thyme or chives before serving.

Chef's Tip & Pairing

For a deeper, more complex flavor, use a mix of yellow and red onions for caramelizing. This rich, savory crostini pairs beautifully with a crisp, dry white wine like a Sancerre or a light-bodied Pinot Noir.

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