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Mustard Chive Flank with Slow-Roasted Tomato Pasta Salad

4.58 from 7 votes
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Protein: Beef
Cut: Flank Steak, Flat Iron
Diet: Dairy Free, Gluten Free
Course: Main Course, Meal Prep
Prep Time: 1 hour 15 minutes
Cook Time: 1 hour 20 minutes
Total Time: 2 hours 35 minutes
Servings: 4 people

Ingredients

  • 1 pkg ButcherBox Flank Steak or Flat Iron

Marinade

  • 2 Tbsp grainy mustard
  • 2 Tbsp chives minced
  • 1 Tbsp olive oil

Vinaigrette

  • ¼ c champagne vinegar
  • 1 Tbsp chives minced
  • ½ tsp kosher salt
  • ¼ tsp freshly ground black pepper
  • 1 tsp grainy mustard
  • ¾ c avocado oil

Oven Roasted Tomatoes

  • 12 oz pkg grape tomatoes halved
  • 2 tsp thyme finely chopped
  • 2 cloves garlic minced
  • 1 Tbsp olive oil
  • ½ tsp kosher salt
  • tsp ground black pepper

Pasta Salad

  • 1 box cooked gluten-free penne pasta
  • 2 ea avocados medium dice
  • 2 c greens (spinach, arugula or spring mix)

Instructions

  • Mix marinade ingredients together. Rub on flank steak, and let the flank rest at room temperature for 1 hour.
  • Preheat a grill pan over medium heat. Place flank steak on hot pan. Grill for 10 minutes per side, or until a meat thermometer inserted into the thickest part of the flank reads 125°F. Let flank steak rest for 10 minutes before slicing thinly against the grain.
  • Preheat oven to 325°F
  • Mix all ingredients for the tomatoes together. Put tomatoes flesh-side down on wire rack laid on top of baking sheet. Slow roast for 1 hour. Cool to room temperature.
  • Combine vinegar, chives, salt, pepper and mustard in a food processor. Pulse until mixed.
  • On low speed, add avocado oil in a slow, steady drizzle.
  • Toss all salad ingredients including oven roasted tomatoes in salad bowl with vinaigrette. Serve with flank steak and enjoy!
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