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One Skillet Roast Beef with Vegetables

Jun 11, 2025
1 min read

Yield: 4 servings

Per Serving: 1 lean, 3 green, 2 condiments

Prep Time: 20 minutes

Total Time: 60 minutes


Ingredients

  • 1½ lbs. beef tenderloin

  • 1 tsp salt, divided

  • 1 tsp ground black pepper, divided

  • ½ cup scallions, cut into 1-inch pieces

  • 1½ cups diced green pepper

  • 1½ cups diced red bell pepper

  • 2 cups button mushrooms, quartered

  • 1 cup watercress, coarsely chopped


Directions

  1. Season the beef tenderloin with a ½ teaspoon of salt and pepper and sear it in a preheated 11-inch cast-iron skillet until well browned on all sides. Alternatively, a stainless steel skillet can be used.

  2. Cook the tenderloin in an oven at 275°F to an internal temperature of 125°F for about 30 to 40 minutes.

  3. While the tenderloin is roasting, cut the scallions, peppers, and mushrooms, and combine in a mixing bowl; set aside.

  4. Once the tenderloin is cooked, remove it from the oven and set it aside to keep warm.

  5. Increase the oven temperature to 425°F.

  6. Season the cut vegetables with a ½ teaspoon of salt and pepper and place them into the cast iron skillet used to cook the tenderloin.

  7. Roast at 425°F for about 15 minutes, stirring occasionally.

  8. Once the vegetables are tender, mix in the watercress.

  9. When ready to eat, carve the tenderloin into 12, (¼-inch) slices. Divide the vegetables into 4 equal-sized portions. Arrange 3 slices of beef on each portion, and serve.


Note: For medium-rare, cook the beef to an internal temperature of 125°F; for medium to 135°F; for medium-well to 145°, and for well-done to 160°F.


Nutrition Per Serving: 300 calories, 40g protein, 9g carbohydrate, 10g fat

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