Easy Slow Cooker Pesto Beef Roast

Lunch, Red Meat

March 10, 2026

Craving a deeply flavorful, fall-apart tender meal without spending hours in the kitchen? This Slow Cooker Pesto Beef Roast is your answer! With just five minutes of prep, you can set it, forget it, and come home to an aromatic, mouthwatering dinner that tastes like you’ve been cooking all day. It’s the perfect low-effort, high-reward meal for any busy weeknight.

Ingredients

• 1 tablespoon / 15 ml olive oil
• ½ cup / 75 g diced onion
• 1 boneless beef chuck roast, about 2 pounds / 900 g
• ½ cup / 120 g basil pesto
• 1 can (14.5 ounce / 411 g) Italian-style diced tomatoes, undrained

Instructions

1. Rub the olive oil on the bottom and sides of your medium slow cooker. Sprinkle the diced onion inside, place the roast on top, and spread the pesto evenly over the beef. Pour the undrained tomatoes around the sides of the roast.
2. Cover and cook on LOW for 6 to 8 hours. The roast is done when it is fork-tender and shreds easily.

Nutritional Information

• Per Serving: 522 Calories
• 41g Fat (71%)
• 5g Net Carbs (4%)
• 31g Protein (24%)

Pro Tips

• For a deeper, richer flavor, sear the chuck roast on all sides in a hot, oiled skillet before placing it in the slow cooker.
• Serve the shredded beef and sauce over zucchini noodles, creamy polenta, or mashed cauliflower for a complete meal.
• Once cooked, let the roast rest for 10 minutes before shredding with two forks directly in the slow cooker to soak up all the juices.
• Stir a handful of spinach or kale into the slow cooker during the last 30 minutes of cooking for added nutrients.

FAQ

Q: What cut of beef is best for this pesto roast
A: A boneless beef chuck roast, around 2 pounds, is ideal for this recipe. It becomes incredibly tender and easy to shred after slow cooking.

Q: How can I add more flavor to this beef roast
A: For a deeper, richer flavor, sear the chuck roast on all sides in a hot, oiled skillet before you place it in the slow cooker.

Q: What should I serve with slow cooker pesto beef
A: This versatile beef roast is delicious served over zucchini noodles, creamy polenta, or mashed cauliflower to soak up the flavorful sauce.

Q: Is this pesto beef roast keto-friendly
A: Yes, with only 5g of net carbs per serving, this recipe is a great option for those following a low-carb or keto diet.

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