Slow Cooker Buttery Onion Beef Tips Step-by-step instructions

Before you start

Before beginning, ensure your slow cooker is clean and positioned on a stable, heat-resistant surface away from any water sources. Take the beef out of the refrigerator approximately 20 to 30 minutes before you start to take the chill off, which helps with even cooking.

Have your packets of onion soup and au jus ready, and ensure you have a whisk and a measuring cup on hand to mix the sauce components thoroughly before adding them to the slow cooker.

Instructions

Beef Preparation

1. 1Prepare the Beef
   Place the cubed beef chuck into the base of the slow cooker. Ensure the meat is distributed evenly across the bottom of the insert to promote consistent cooking throughout the braising process.
   Look for Even layer of beef cubes
   Tip Cut the beef into uniform 1.5-inch cubes for even cooking.

At the end of this phase, the beef should be neatly cubed and arranged in an even layer at the bottom of your slow cooker. The cubes should be relatively uniform in size to ensure they cook at the same rate. Check that the slow cooker insert is clean and dry before adding the meat, and ensure the device is plugged in and ready to be set to the low heat setting once the remaining components are added to the pot.

Sauce Integration

2. 2Mix the Sauce
   In a separate measuring cup, combine the onion soup mix, the au jus mix, and the melted butter. Whisk the mixture until the dry ingredients are fully incorporated into the butter to create a smooth, flavorful base.
   Look for Smooth and combined mixture
   Tip Whisking thoroughly prevents clumps of seasoning in the gravy.
3. 3Add Sauce to Slow Cooker
   Pour the butter and seasoning mixture over the beef cubes in the slow cooker. Gently stir the contents to ensure every piece of beef is lightly coated in the aromatic sauce.
   Look for Beef coated in sauce
   Tip Ensure all dry mix is moistened by the liquid.

The sauce is ready when the onion soup mix, au jus, and melted butter form a uniform, well-combined liquid without any dry lumps of seasoning. As you pour this over the beef, make sure every cube gets a light coating.

The aroma should be savory and onion-forward. Once the lid is placed on the slow cooker, you are ready to begin the long, slow braising process that will transform the ingredients into a cohesive, delicious meal.

Slow Cooking

4. 4Slow Cook and Serve
   Cover and cook on low for 6 to 8 hours until the beef is fork-tender and reaches an internal temperature of 145°F (63°C). Once cooked, let the meat rest for 5 minutes before serving with the thickened onion gravy pooled on top.
   Look for Beef is fork tender
   Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
   Tip Do not lift the lid during the first 6 hours to maintain steady temperature.

At the end of the cooking time, the kitchen should smell rich and savory. The beef will be soft, tender, and easily pierced with a fork. The gravy should be dark, glossy, and pooled around the meat. Check the internal temperature of the beef to confirm it has reached 145°F (63°C). If the gravy looks too thin, you can briefly simmer it on the stove to reduce it slightly while the meat rests on a warm platter.

Common mistakes

A common mistake is lifting the slow cooker lid frequently during the cooking process, which releases trapped heat and steam, significantly increasing the total cooking time. Another error is failing to ensure the meat is cut into uniform, bite-sized cubes, which leads to some pieces overcooking while others remain tough.

Finally, ensure the dry seasoning packets are fully whisked into the melted butter; pockets of dry powder can create an uneven texture or cause the sauce to taste overly salty in some areas.

How to tell it’s done

The beef is done when it is fork-tender, meaning it yields easily to the pressure of a fork and pulls apart with minimal effort. Using a meat thermometer, ensure the internal temperature of the thickest pieces of beef reaches at least 145°F (63°C).

Remember to allow the beef to rest for at least 5 minutes before serving to ensure the juices redistribute throughout the meat, making each bite as tender and flavorful as possible.

• Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest