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Rosemary Garlic Beef Tenderloin

This Rosemary Garlic Beef Tenderloin is a flavorful, low histamine-friendly main dish that’s simple enough for weeknights yet elegant enough for holidays. Fresh herbs and garlic bring bold flavor without the need for marinades, and the optional veggies can be customized to fit your tolerance.
Prep Time10 minutes
Course: Main Course
Keyword: AIP, Anti-inflammatory, low histamine, Paleo
Servings: 6

Ingredients

  • 3 Tbsp coconut oil, divided
  • 16 oz white mushrooms, sliced (If tolerated)
  • 2 large shallots, sliced
  • 3 Tbsp fresh rosemary leaves, chopped
  • 3 Tbsp garlic, minced
  • Sea salt, to taste
  • 3 lbs beef tenderloin roast
  • 1 large red onion, sliced

Instructions

  • Place oven rack in center position and pre-heat oven to 350°F.
  • Melt one tablespoon coconut oil in a large, high-sided skillet over medium heat. Add the mushroom (if tolerated) and shallots and season with salt, to taste. Cook, stirring occasionally, until the mushrooms and shallots develop a bit of color and soften, approximately 4-5 minutes. Remove from heat and transfer to a bowl and set aside.
  • Melt the remaining coconut oil in a small bowl in a microwave. Add the rosemary and garlic to the coconut oil and season with salt, to taste. Rub the rosemary-garlic mixture on top and all along the sides of the beef.
  • Arrange the sliced red onion on the bottom of the same skillet and place the seasoned beef tenderloin on top of the onions.
  • Arrange the mushroom and shallot mixture around the sides of the beef and place in the pre-heated oven for 45-50 minutes for medium-rare or longer for more well done results.
  • Remove from oven and rest for 10-15 minutes before serving. Enjoy!

Notes

Actual cooking time will vary depending on a number of factors, including the starting internal temperature of the beef. Therefore, allow the beef to rest at room temperature for 20-30 minutes before roasting and use an instant-read thermometer to check for doneness.
For medium-rare, remove from oven at 140°F. The temperature will rise to 145°F as it rests.