Jul 14 2026
RestaurantsOceanaRoast Beef Crostini Recipe

Roast Beef Crostini Recipe

Inspired by Oceana
Time45m
Serves6

Carmelized onion marmalade, Brillat Savarin

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Ingredients

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Crostini

Caramelized Onion Marmalade

Assembly

Method

Crostini

  1. 1

    Prepare the Baguette

    Slice the baguette into 1/2 inch thick slices.

  2. 2

    Brush with Olive Oil

    Place the slices on a baking sheet. Brush both sides with olive oil and sprinkle with salt and black pepper.

  3. 3

    Toast the Crostini

    Preheat the oven to 375°F (190°C). Bake the baguette slices for 10-15 minutes or until golden brown and crispy.

Caramelized Onion Marmalade

  1. 4

    Slice the Onions

    Peel and thinly slice the onions.

  2. 5

    Cook the Onions

    In a large skillet, melt the butter over medium heat. Add the sliced onions and salt. Cook, stirring occasionally, for about 20-25 minutes until the onions are soft and caramelized.

  3. 6

    Add Balsamic Vinegar and Sugar

    Once the onions are caramelized, add the balsamic vinegar and brown sugar. Stir and cook for another 5 minutes until the mixture thickens slightly.

  4. 7

    Cool the Marmalade

    Remove from heat and let the onion marmalade cool slightly.

Assembly

  1. 8

    Assemble the Crostini

    On each toasted crostini, spread a generous amount of caramelized onion marmalade.

  2. 9

    Top with Roast Beef

    Layer a slice of roast beef on top of the onion marmalade.

  3. 10

    Add Cheese and Garnish

    Place a slice of Brillat Savarin cheese on top of the roast beef. Optionally sprinkle with fresh thyme.

  4. 11

    Serve

    Arrange the crostini on a serving platter and enjoy!

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