Print
clockclock iconcutlerycutlery iconflagflag iconfolderfolder iconinstagraminstagram iconpinterestpinterest iconfacebookfacebook iconprintprint iconsquaressquares iconheartheart iconheart solidheart solid icon
slow cooker beef manhattan Side view of open faced roast beef sandwich with mashed potatoes and gravy dripping down

Slow Cooker Beef Manhattan

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

A comforting Midwestern diner classic featuring tender, slow-cooked roast beef served open-faced on bread with creamy mashed potatoes and smothered in a rich, savory gravy. This effortless version lets the slow cooker do all the work for a melt-in-your-mouth dinner.

  • Total Time: 8 hours 20 minutes
  • Yield: 6 servings 1x

Ingredients

Scale
  • 3 lbs beef chuck roast, trimmed of excess fat
  • 1 tsp salt
  • 1 tsp black pepper
  • 1 tsp onion powder
  • 1 tsp garlic powder
  • 4 cups beef broth (low sodium preferred)
  • 2 tbsp Worcestershire sauce
  • 1 large onion, sliced (optional)
  • 3 tbsp cornstarch
  • 3 tbsp cold water
  • 12 slices thick white bread or Texas toast
  • 3 lbs Yukon Gold potatoes, peeled and quartered
  • 1/2 cup butter
  • 1/2 cup whole milk, warmed
  • Fresh parsley for garnish

Instructions

  1. Season the beef chuck roast generously on all sides with salt, pepper, onion powder, and garlic powder.
  2. Place the sliced onions at the bottom of the slow cooker (if using) and lay the seasoned roast on top.
  3. Pour the beef broth and Worcestershire sauce around the beef. Cover and cook on LOW for 8 hours or on HIGH for 4-5 hours, until the meat is fork-tender.
  4. During the last 30 minutes of cooking, boil the potatoes in salted water until tender. Drain and mash with butter and warm milk until smooth and creamy.
  5. Remove the cooked beef from the slow cooker and shred it into large chunks. Cover to keep warm.
  6. To make the gravy, whisk the cornstarch and cold water in a small bowl to create a slurry. Stir this into the liquid remaining in the slow cooker. Turn heat to HIGH and cook for 10-15 minutes until thickened.
  7. To assemble, cut bread slices diagonally and place on plates. Top with shredded beef and a scoop of mashed potatoes. Ladle the hot gravy generously over the entire dish and garnish with parsley.

Notes

For a sturdier base that holds up to the gravy, lightly toast the bread before assembling. Leftover beef and gravy can be stored in an airtight container in the refrigerator for up to 3 days.

  • Author: Cook Reel
  • Prep Time: 20 minutes
  • Cook Time: 8 hours
  • Category: Main Course
  • Method: Slow Cooker
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving
  • Calories: 680
  • Sugar: 4g
  • Sodium: 950mg
  • Fat: 28g
  • Saturated Fat: 14g
  • Unsaturated Fat: 12g
  • Trans Fat: 0g
  • Carbohydrates: 65g
  • Fiber: 5g
  • Protein: 42g
  • Cholesterol: 115mg
Cook Reel - Easy Dinner Recipes and Ideas
Discover quick, easy dinner recipes and fresh meal ideas on Cook Reel. From family favorites to healthy weeknight dishes, explore simple, delicious meals anyone can cook and enjoy every day.