Crockpot Sour Cream French Onion Tenderloin Tips Step-by-step instructions

Before you start

Before you start, trim any excess fat from the beef tenderloin tips and cut them into uniform, bite-sized pieces if they're not already. Peel and thinly slice the Vidalia onions—you want them about 1/4-inch thick so they soften and caramelize during the long cook.

Measure out the sour cream and have the consommé and gravy mix ready. No need to brown the beef or sauté the onions; the slow cooker does all the work.

Instructions

Layer and Forget

1. 1Layer the Ingredients
   Place the beef tenderloin tips in the bottom of a 6-quart slow cooker. Scatter the sliced Vidalia onions evenly over the beef. Pour the beef consommé over the onions and beef. Spoon the sour cream over the top, then sprinkle the brown gravy mix evenly over everything. Do not stir.
   Look for The ingredients are layered in the crockpot: beef on the bottom, onions, consommé, sour cream, and gravy mix on top.
   Tip For the most tender results, trim any excess fat from the beef and slice the onions thinly so they melt into the sauce.

At the end of this phase, the raw ingredients are layered in the slow cooker: beef on the bottom, onions on top, then consommé, sour cream, and gravy mix. The beef is still raw and the onions are crisp.

The sour cream and gravy mix sit on top, ready to melt into the sauce as it cooks. This is the 'dump it in and forget it' moment—everything is in place, and you can walk away.

Slow Cook to Tender

2. 2Slow Cook Until Tender
   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 flavors meld. Stir gently before serving, but be careful not to break up the beef too much. Let it rest for 3 minutes before slicing.
   Look for The beef should be easily pierced with a fork and the gravy should be thick and glossy.
   Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
   Tip For the most tender result, cook on LOW—the longer, gentler heat breaks down the connective tissue without toughening the meat.

After 6-7 hours on LOW, the kitchen fills with a rich, savory aroma. The beef is fork-tender and the onions have turned silky and caramelized. The sauce is thick and mahogany-colored, with a velvety texture. You'll see gentle bubbles around the edges of the slow cooker. The sour cream and gravy have fully blended into a glossy gravy that coats the meat and onions beautifully.

Serve with Noodles

3. 3Serve Over Noodles
   Spoon the beef and gravy over warm buttered egg noodles. Let the meat rest for at least 3 minutes before serving, then ladle generously over the noodles. The beef should be fork-tender and the gravy silky. Serve hot.
   Look for The beef is tender, the onions are caramelized, and the gravy coats the back of a spoon.
   Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
   Tip Resting the beef allows the juices to redistribute, making each bite moist and flavorful.

The beef is tender, the onions are melt-in-your-mouth, and the gravy is thick enough to coat a spoon. The dish looks rustic and inviting, with deep brown sauce and soft onion ribbons. Serve over buttered egg noodles, and you'll get a comforting, satisfying meal that looks and tastes like it took hours of hands-on work—but it didn't.

Common mistakes

One common mistake is overcooking the beef until it becomes dry and stringy. Even though the slow cooker is forgiving, check the beef at the lower end of the cooking time. Another is using too much sour cream or adding it too early—it can curdle if cooked too long.

Stir gently to avoid breaking up the meat. If the gravy seems thin, remove the lid and cook on HIGH for 15-20 minutes to reduce, but don't let it boil too hard or the sour cream may separate.

How to tell it’s done

The beef is done when it's fork-tender and easily pulls apart with minimal effort. The internal temperature should reach at least 145°F (63°C) for whole-cut beef, but because it cooks low and slow, it will likely be well above that—and that's fine for this cut.

The onions should be soft and almost melted into the sauce. The gravy will be thick and glossy, clinging to the meat. Let the beef rest 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