Sour Cream Broccoli Sirloin Tips: Easy Crockpot Dinner

This slow cooker sirloin tips recipe is the definition of set-it-and-forget-it comfort food. Tender chunks of beef, fresh broccoli, and earthy mushrooms cook low and slow in a velvety sour cream gravy, then get spooned over buttered egg noodles.

The best part? There's no browning, no stirring, and no fuss—just layer everything in the Crockpot and walk away. In a few hours, you'll have a rich, savory dinner that tastes like you simmered it all day on the stove.

Sirloin steak tips are the unsung heroes of the slow cooker—they turn meltingly tender with long, gentle cooking. Combined with broccoli and mushrooms, they soak up a luscious sour cream and brown gravy sauce that clings to every bite.

This recipe comes together in minutes: dump the ingredients into the Crockpot, cover, and let time do the work. The result is a deeply savory, creamy dinner that feels special but requires almost no hands-on cooking. Serve over buttered egg noodles for a complete, satisfying meal that the whole family will love.

Ingredients

Why this recipe works

Slow cooking is the secret to transforming budget-friendly sirloin tips into fork-tender morsels. The low, steady heat breaks down the connective tissue in the beef, leaving it juicy and succulent. Unlike quick-cooking methods that can toughen steak, the Crockpot ensures every bite is melt-in-your-mouth tender. The gentle simmer also melds the sour cream and gravy mix into a silky sauce that coats the broccoli and mushrooms beautifully.

Layering the ingredients without stirring might feel counterintuitive, but it's key. The sour cream and gravy mix sit on top, gradually melting and blending as the beef releases its juices.

This creates a self-basting environment that keeps everything moist and flavorful. The broccoli stays vibrant and slightly crisp, offering a fresh contrast to the rich gravy. Each component cooks at its own pace, coming together perfectly by the time the beef is done.

Notes and substitutions

Choose top sirloin steak tips for the best texture—they're already cut into bite-size pieces, saving prep time. If you can only find whole sirloin, cut it into 1-inch cubes yourself. Broccoli florets should be similar in size so they cook evenly; trim any thick stems.

Baby bella mushrooms add an earthy depth, but white mushrooms work just as well. Sour cream should be full-fat for the richest sauce, and the brown gravy mix provides the savory backbone—look for a packet that's gluten-free if needed.

A 6- to 7-quart slow cooker is ideal for this amount of food. If you have a smaller one, reduce the ingredients proportionally or cook in batches. The egg noodles are a classic pairing, but this dish also works over mashed potatoes or rice. You can swap the broccoli for green beans or asparagus (add those during the last 30 minutes). For a thicker gravy, stir in a tablespoon of cornstarch mixed with water before serving.

• top sirloin steak tips: chuck roast cut into 1-inch cubes (cook 1 hour longer)
• broccoli florets: cauliflower florets (add during last 30 minutes)
• baby bella mushrooms: white button mushrooms, sliced
• brown gravy mix: 1 tablespoon Worcestershire sauce plus 1/2 teaspoon onion powder

Equipment

• 6- to 7-quart slow cooker
• Cutting board
• Chef's knife
• Measuring cups
• Measuring spoons
• Large spoon
• Serving spoon