Start by seasoning your steak with salt, pepper, and any other desired spices. You can use a cut like flank steak or skirt steak for this recipe. Heat a skillet or grill over medium-high heat and cook the steak to your desired level of doneness. Once cooked, let it rest for a few minutes before slicing it thinly against the grain.
In a food processor or blender, combine fresh parsley, cilantro, garlic, red wine vinegar, olive oil, red pepper flakes, salt, and pepper. Blend until smooth but still slightly chunky. Adjust the seasoning to taste.
Slice a baguette into thin slices and brush both sides with olive oil. Place the slices on a baking sheet and bake in a preheated oven at 375°F (190°C) for about 8-10 minutes, or until golden and crispy. Alternatively, you can toast the slices on a grill or in a skillet until crisp.
Once the crostini are ready, place a slice of cooked steak on each one. You can fold the slices to fit neatly on the crostini.
Spoon a generous amount of chimichurri sauce over each slice of steak on the crostini. Make sure to cover the steak evenly with the flavorful sauce.
For extra flavor and presentation, you can garnish the crostini with additional fresh herbs such as chopped parsley or cilantro.
Arrange the prepared steak and chimichurri crostini on a serving platter or plate. They can be served warm or at room temperature, depending on your preference.
These steak and chimichurri crostini make a delicious appetizer or party snack. Serve them as is or alongside other appetizers for a flavorful and satisfying dish that's sure to impress your guests.