Roast Beef Crostini with Horseradish Cream

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Roast Beef Crostini are an easy to make appetizer that feel a little bit fancy. They are perfect for your next party and are SO GOOD!

Prep Time15

Cook Time5

Total Time20

Course: Appetizer

Cuisine: American

Keyword: beef appetizer, beef crostini, easy appetizer, roast beef appetizer, roast beef crostini

Servings: crostini

Calories: 55kcal

Place the bread slices on a work surface. Lightly brush both sides with extra virgin olive oil and sprinkle with kosher salt.
a long baguette, sliced ½ inch thick, about 20 slices, extra virgin olive oil, kosher salt
Heat a cast iron skillet or large sauté pan over medium high heat. Add the bread slices and toast until lightly golden brown on each side ~ about 1 minute per side. Remove to a large plate.
In a small bowl, combine the sour cream, mayonnaise, and horseradish.
¼ cup sour cream, 1 tablespoon mayonnaise, 1 tablespoon prepared horseradish
To assemble each appetizer, spread about 1 to 2 teaspoons of the horseradish cream on a crostini. Top with a couple leaves of arugula, about ½ slice of roast beef, a dab of horseradish cream, a sprinkle of Gruyere cheese and a couple pieces of diced tomato.
1 cup arugula, ½ pound deli roast beef, thinly sliced, ½ cup finely shredded Gruyere cheese, 1 small tomato, diced
Place the roast beef crostini on a large platter and serve.

Use a thin loaf of bread for the crostini ~ for the perfect 2 bite appetizer, choose a loaf of bread that is about 2 to 3 inches in diameter.
Ask the deli counter to thinly slice the roast beef ~ My first choice for the roast beef is medium rare Boars Head which is available at most deli counters.
Substitute your favorite semi hard cheese ~ some tasty choices are pepper jack, Swiss, Gouda and sharp cheddar.
Make roast beef crostini in advance ~ There's no need for last minute prep for these easy yet fancy appetizers. Make them up to 2 hours in advance. Store in the refrigerator covered lightly with plastic wrap.