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Grilled Top Sirloin With Chimichurri Butter and Grilled Broccolini With Caper Vinaigrette and Heirloom Tomatoes

Fire up the grill for a juicy top sirloin steak topped with vibrant chimichurri butter and served with grilled broccolini and heirloom tomatoes.
Prep Time15 mins
Cook Time15 mins
Total Time30 mins
Course: Main Course
Keyword: Chimi Top Sirloin
Servings: 6 servings
Author: Chef David Rose

Ingredients

Grilled Sirloin

Chimichurri Butter

  • 1 stick (4 oz) unsalted butter, room temperature
  • 1/2 cup cilantro, packed
  • 3 large garlic cloves
  • 4 tablespoons olive oil
  • 2 teaspoons sherry vinegar
  • 1 teaspoon lemon juice
  • 1/2 teaspoon lemon zest
  • 1/4 teaspoon kosher salt
  • 1/8 teaspoon black pepper
  • 1/8 teaspoon crushed red pepper

Caper Vinaigrette

  • 1 cup vegetable oil
  • 2 tablespoons capers, minced
  • 1 tablespoon caper juice, from jar
  • 1 tablespoon sherry vinegar
  • 2 tablespoons whole grain mustard
  • 1 heaping tablespoon cilantro, minced
  • 1 teaspoon lemon juice
  • 1/8 teaspoon kosher salt
  • 1/8 teaspoon black pepper
  • 1/8 teaspoon crushed red pepper

Grilled Broccolini

  • 10 oz. broccolini, blanched in heavily salted water for 1 minute
  • 1 tablespoon olive oil
  • 1/8 teaspoon kosher salt
  • 1/8 teaspoon black pepper
  • 16 oz. heirloom tomatoes (the more colorful the better)
  • Caper vinaigrette

Instructions

Chimichurri Butter

  • Add the cilantro, garlic cloves, olive oil, sherry vinegar, lemon juice, lemon zest, kosher salt, black pepper, and crushed red pepper to a food processor and blend until fully incorporated and finely minced.
  • Transfer the mixture to a small bowl and add the butter. Use a spatula to mix until fully incorporated.
  • Season to taste with salt and pepper if needed.

Caper Vinaigrette

  • Add all of the ingredients to a medium bowl and whisk until fully incorporated.

Grilled Sirloin

  • Thaw sirloins in the refrigerator overnight; remove from refrigerator, pat dry with paper towels, and season each steak all with one teaspoon kosher salt and 1/2 teaspoon black pepper all over; allow to come to room temperature for about 20 minutes.
  • Preheat the grill to 450 degrees Fahrenheit, direct heat.
  • Grill steaks for about 4-5 minutes on each side (8-10 minutes total), until internal temperature is 130 degrees Fahrenheit for medium-rare as per a meat thermometer. For different steak doneness, refer to the Omaha Steaks cooking chart. Keep grill heat at 450 degrees Fahrenheit, direct heat.
  • Rest steaks for 6 minutes. Then, slice against the grain into 1/4" slices.
  • Top with one tablespoon of chimichurri butter.

Grilled Broccolini

  • Toss broccolini with olive oil, salt, and pepper in a medium bowl.
  • Add broccolini to a grill basket and cook each side for 2-3 minutes until nicely charred.
  • Remove the broccolini from the grill and slice heirloom tomatoes.
  • Plating: place sliced top sirloin on the plate and top with chimichurri butter. Then add broccolini and tomato slices and drizzle with caper vinaigrette.