Slow-Cooker Sour Cream French Onion Sirloin Tips Step-by-step instructions

Before you start

Before you start, trim any excess fat from the sirloin tips and cut them into uniform 2-inch pieces. Slice the onions thinly—about 1/8-inch thick—so they soften and caramelize evenly.

Have the consommé, sour cream, and gravy mix measured and ready. If you plan to serve the dish with noodles, bring a large pot of salted water to a boil just before the beef is done.

Instructions

Layer and Slow Cook

1. 1Layer the Ingredients
   Place the sirloin tips in the bottom of a 6-quart slow cooker. Scatter the sliced Vidalia onions over the beef. Pour the beef consommé over the onions and beef. Add the sour cream and sprinkle the brown gravy mix over the top. Do not stir.
   Look for The ingredients sit in distinct layers: beef on the bottom, onions on top, and the sour cream and gravy mix as a final layer.
   Tip Do not stir at this stage; the layers will meld during cooking.
2. 2Cover and Cook on Low
   Cover the slow cooker and cook on low for 6 to 7 hours, or on high for 3 to 4 hours, until the beef is fork-tender. The sauce will darken and thicken as the onions caramelize and the sour cream melts into the gravy. Let it rest for 3 minutes before slicing.
   Look for The beef is fork-tender and the sauce is a rich mahogany color with soft, caramelized onion ribbons.
   Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
   Tip Low and slow gives the best texture; high heat can make the beef tougher.

At the end of this phase, the beef is fork-tender and the sauce has turned a deep mahogany. The onions are soft and translucent, nearly melted into the gravy.

The sour cream has blended in, creating a velvety sauce with a tangy aroma. The kitchen smells rich and savory, with a hint of caramelized onion. Check that the beef is tender by piercing it with a fork; it should yield easily.

Noodles and Rest

3. 3Cook the Noodles
   About 15 minutes before serving, bring a large pot of salted water to a boil. Cook the egg noodles according to package directions until al dente. Drain well, then toss with the butter in the warm pot.
   Look for The noodles are tender but still firm to the bite, glossy with butter.
   Tip Salt the pasta water generously for well-seasoned noodles.
4. 4Rest the Beef
   When the beef is done, turn off the slow cooker and let the beef rest in the sauce for at least 3 minutes before serving. This allows the juices to redistribute and the meat to become even more tender.
   Look for The beef has rested and the sauce has settled slightly.
   Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
   Tip Resting is essential for juicy meat; do not skip it.

The noodles are cooked al dente and tossed with butter, glossy and ready to soak up the gravy. The beef has rested for at least 3 minutes, allowing the juices to settle. The sauce has thickened slightly as it cools. The noodles should be warm and buttery, and the beef should still be steaming when you assemble the plates.

Serve and Enjoy

5. 5Serve Over Noodles
   Place a generous portion of buttered noodles on each plate. Ladle the sirloin tips and gravy over the noodles. Sprinkle with chopped parsley if desired.
   Look for The beef and gravy coat the noodles in a velvety, rich sauce.
   Tip Use a slotted spoon to serve the beef, then spoon extra gravy over the top.

The final dish is a beautiful pile of buttered noodles topped with tender sirloin tips and a rich, glossy gravy. The parsley adds a fresh green contrast. The beef should be so tender that it falls apart with a fork, and the gravy should coat the noodles without being runny. Serve immediately while everything is hot.

Common mistakes

One common mistake is lifting the lid to stir or check the dish. Every time the lid is lifted, heat escapes, adding 20 to 30 minutes to the cooking time. Trust the process and keep the lid on.

Another mistake is using low-fat sour cream, which can separate and become grainy. Stick with full-fat sour cream for a smooth gravy. Finally, do not skip the rest time after cooking; cutting into the beef immediately can cause the juices to run out, leaving the meat dry.

How to tell it’s done

The dish is done when the beef is fork-tender: a fork should pierce a piece with little resistance and the meat should pull apart easily. The sauce should be thick enough to coat a spoon, with a deep brown color and visible caramelized onion ribbons.

The internal temperature of the beef should be at least 145°F (63°C) for food safety, but the long cooking will bring it well above that, ensuring tender results. Let the beef rest in the sauce for at least 3 minutes before serving to allow the juices to redistribute.

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