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Keto Dinner

Cajun Roast Beef

I love how this Cajun roast beef fills the kitchen with a spicy, savory aroma as it slowly cooks. It’s the kind of meal that makes you feel like a true home chef. With minimal prep the night before, you can wake up to a stress-free dinner that’s perfect for busy weeknights or a lazy Sunday. Tender, juicy, and packed with bold Cajun flavor, it’s become a staple in my keto rotation.

15 min Prep time 540 min Cook time 555 min Total time 4 Servings 350 Calories
Cajun Roast Beef

Ingredients

  • teaspoons garlic, minced
  • /2 teaspoon prepared horseradish
  • teaspoon hot pepper sauce
  • teaspoon dried thyme
  • /2 teaspoon salt
  • /2 teaspoon ground black pepper
  • teaspoons Cajun seasoning
  • tablespoons olive oil
  • tablespoons malt vinegar
  • pounds beef eye of round roast

Instructions

  1. Step 1

    First, whisk together the garlic, horseradish, hot sauce, thyme, salt, pepper, Cajun seasoning, olive oil, and malt vinegar in a bowl until well combined. This marinade is the soul of the dish, so take a moment to let those scents hit you. Next, use a meat fork to pierce the roast all over—this helps the flavors soak deep into the beef. Slip the roast into a large resealable bag and pour the marinade over it, making sure every inch is coated. I usually turn the bag a couple of times while it’s in the fridge overnight. In the morning, simply transfer the roast and any remaining marinade to your slow cooker. Don’t add any water—the meat will release its own juices. Set it on low and let it work its magic for 8 to 10 hours. I aim for an internal temperature of 135°F for a beautiful medium-rare. Once done, lift the roast onto a cutting board and let it rest for a full 15 minutes before slicing against the grain. This rest is crucial for keeping all those juices locked in.

Chef's Tip

My little secret is to sear the roast quickly in a hot skillet before it goes into the slow cooker. It adds a lovely crust and deepens the overall flavor.

Storage Tips

Store leftovers in an airtight container in the fridge for up to 4 days. Reheat gently in a skillet with a splash of broth to keep the meat moist and tender.

Variation Tips

For a spicier kick, add a diced chipotle pepper to the marinade. Pair this roast with creamy cauliflower mash and roasted asparagus for a complete keto feast. You can also shred the beef and serve it in lettuce wraps with a dollop of sour cream.

Frequently Asked Questions