Slow Cooker Bourbon Gravy Flank Steak with Green Beans

Imagine coming home to the rich aroma of bourbon gravy and tender beef, already bubbling away in your slow cooker. This recipe delivers exactly that: flank steak, green beans, and potatoes, all simmered together in a savory, slightly sweet sauce.

Just a few minutes of prep in the morning, and dinner is ready when you are. It's the perfect hands-off meal for busy weeknights, yet impressive enough for company. Let the slow cooker do the work while you get on with your day.

This slow cooker dinner is a true set-it-and-forget-it meal. Thinly sliced flank steak, fresh green beans, and russet potatoes are layered in the crockpot, then topped with a rich bourbon mushroom gravy and a few pats of butter.

Cook on low for six to eight hours, and you'll be rewarded with fork-tender beef, perfectly cooked vegetables, and a glossy, flavorful sauce. Serve it over fluffy white rice to soak up every last drop. It's comfort food at its easiest, a meal that feels both rustic and special, all from a single pot.

Ingredients

Why this recipe works

The flank steak is sliced thinly against the grain, which helps it become incredibly tender during the long, slow cook. The low heat and moisture break down the connective tissues, turning a potentially tough cut into fork-tender morsels. The bourbon gravy adds a deep, complex flavor, with hints of sweetness and umami that complement the beef beautifully. The butter enriches the sauce, giving it a silky, glossy texture that clings to every ingredient.

Cooking everything together in one pot allows the flavors to meld and develop over time. The green beans stay slightly crisp-tender, while the potatoes absorb the savory gravy and become soft and creamy. The slow cooker creates a gentle, even heat that ensures everything cooks perfectly without any fuss.

This method is nearly foolproof, forgiving, and ideal for busy home cooks. The result is a hearty, satisfying meal that tastes like you spent hours in the kitchen, when really you just dumped and forgot.

Notes and substitutions

Choose a good-quality bourbon gravy from the store, or make your own with beef broth, bourbon, and sautéed mushrooms. The gravy is the backbone of this dish, so pick one with rich flavor. Flank steak is ideal, but sirloin or chuck roast also work well.

Cut the meat against the grain into thin strips for maximum tenderness. Fresh green beans are preferred, but frozen can be used in a pinch. Russet potatoes hold up well, but Yukon Golds are even creamier.

No special equipment is needed beyond a 6-quart slow cooker. This recipe is easily doubled for a crowd, but make sure not to overfill the slow cooker. If using a smaller slow cooker, reduce the quantities or cook in batches. The ingredients are simple and flexible, so feel free to swap in what you have. The key is to keep the ratio of meat to vegetables balanced, and to let the slow cooker do its magic. This is a forgiving recipe that welcomes tweaks.

• flank steak: sirloin steak or chuck roast, thinly sliced
• green beans: frozen green beans, thawed (reduce cook time by 1 hour)
• russet potatoes: Yukon Gold or red potatoes (no need to peel)
• bourbon mushroom gravy: beef gravy with a splash of bourbon and sautéed mushrooms

Equipment

• 6-quart slow cooker
• Cutting board
• Chef's knife
• Measuring cups
• Measuring spoons
• Serving spoon
• Plate for serving