This slow cooker 4-ingredient beef and onion gravy is my nod to the kind of thrifty, comforting food people leaned on during the Depression era: cheap cuts of beef, plenty of onions, and time doing the work instead of fancy ingredients. You literally nestle beef chunks into a bed of sliced onions, add just two pantry staples, switch on the slow cooker, and walk away. Hours later you’re rewarded with tender beef and a rich, oniony gravy that somehow disappears faster than anything else I make—especially on cold Midwestern nights when everyone wants something simple and soothing.
Serve the beef and onion gravy spooned generously over mashed potatoes, egg noodles, or buttered rice to catch every bit of the sauce. A side of simply cooked green beans, peas, or a crisp green salad helps balance the richness. If you like bread with dinner, a slice of crusty bread or a warm dinner roll is perfect for mopping up the gravy. Leftovers reheat well and make an excellent open-faced sandwich on toast the next day.
Slow Cooker Beef and Onion Gravy
Servings: 4

Ingredients
2 pounds beef stew meat, cut into 1 1/2-inch chunks
3 large yellow onions, thinly sliced
2 cups beef broth (low sodium if possible)
2 tablespoons cornstarch
Directions
Peel the onions, then cut them in half from root to tip and slice them into thin half-moons.
Scatter all of the sliced onions evenly over the bottom of a 4- to 6-quart slow cooker to create a thick bed of onions.
Pat the beef chunks dry with a paper towel to help them brown slightly as they cook and to keep excess moisture out of the gravy.
Nestle the beef chunks into the sliced onions in the slow cooker, tucking the meat down so it’s surrounded by onions but still in a single, fairly even layer.
Pour 1 3/4 cups of the beef broth evenly over the beef and onions, reserving the remaining 1/4 cup broth for later. Do not stir; you want the onions to mostly stay on the bottom.
Cover the slow cooker with the lid and cook on LOW for 7 to 8 hours, or on HIGH for 3 1/2 to 4 hours, until the beef is very tender and the onions have mostly melted into the cooking liquid.
About 20 minutes before serving, stir together the remaining 1/4 cup beef broth and the cornstarch in a small bowl until completely smooth with no lumps.
Lift the lid and skim off any excess fat from the surface of the cooking liquid if desired. Gently stir the beef and onions, then pour in the cornstarch mixture and stir again to combine.
Cover and cook on HIGH for another 15 to 20 minutes, or until the gravy has thickened to your liking. Taste and add a pinch of salt or black pepper if needed, keeping in mind that some broths are saltier than others.
Serve the tender beef and onions with plenty of the thickened gravy spooned over your favorite starch, and store any leftovers in a covered container in the refrigerator once cooled.
Variations & Tips
For a slightly richer flavor without adding more ingredients, you can brown the beef chunks in a hot skillet before nestling them into the sliced onions, though this step is optional and moves the recipe a bit away from its Depression-era simplicity. If you prefer, swap yellow onions for sweet onions for a milder, sweeter gravy, or use a mix of yellow and red onions for deeper flavor. To keep the 4-ingredient spirit, I’ve left out salt and pepper, but you can season lightly at the end to taste. If you want a looser gravy, reduce the cornstarch to 1 tablespoon; for a very thick gravy, increase it slightly, whisking well with the reserved broth so no lumps form. Food safety tips: Use fresh beef that has been refrigerated at or below 40°F (4°C) and keep it cold until you’re ready to cook. Do not put frozen beef directly into the slow cooker; thaw it fully in the refrigerator first to ensure it reaches a safe internal temperature quickly and evenly. Cook on LOW or HIGH only as directed—avoid using the WARM setting for cooking raw meat. Leftovers should be cooled quickly, transferred to shallow containers, and refrigerated within 2 hours; reheat to at least 165°F (74°C) before serving. If the gravy separates slightly when reheating, just stir it gently over low heat until smooth again.