Familiar comfort food, made with extra time, care, and layers of flavor. A photo for every step!

Erin, creator of The Flavored Mind

Hi, I’m Erin!

I’m a developer by profession and a home cook by passion. I create bold comfort food with layered flavors, detailed instructions, and a photo for every step.

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Slow Cooker French Dip

Yield: 4 servings

Total Time: 6hr 50m

Get ready for the best tasting au jus!

A red plate features a French dip sandwich with melted cheese and a side of cheesy casserole, alongside a bowl of au jus.

Some links on this website are affiliate links, including Pampered Chef links from consultant Jennifer ♡my mum♡. If you make a purchase through these links, I may earn a small commission at no extra cost to you, helping to support this site and its content. I love all of the products I link!

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Accompaniment: Scalloped potatoes

Ingredients

For the slow cooker

For the rolls

For serving

Instructions

Disclaimer: I am now using a high precision scale (accurate up to 0.1g). In some pics you may notice I am rounding the weight. My husband, the chemist, says this is OK 😂 take it up with him!

Prepare the meat

Raw, seasoned beef roast resting on a white paper plate with a blue geometric pattern, set on a textured surface.

Step 1: Remove the roast from the packaging, pat dry, and season with kosher salt and pepper to taste. Let sit at room temperature for 1 hr.

Prepare the slow cooker

Sliced white onions in a clear container above a digital scale displaying 199.9 grams.

Step 1: When the meat is done resting at room temperature for 1 hr gather all of the ingredients for the slow cooker, then peel, slice, and weigh the onion.

Sliced onions and minced garlic in a container on a digital scale displaying 16.2 grams.

Step 2: Peel, chop, and weigh the garlic.

Sliced onions and minced garlic are placed inside a slow cooker lined with a black plastic bag.

Step 3: Add the onion and garlic to the slow cooker.

Sliced onions and breadcrumbs are layered inside a slow cooker lined with plastic.

Step 4: Add the minced onion to the slow cooker.

A measuring cup with beef broth and a jar of beef base on a wooden countertop.

Step 5: Measure the soy sauce then add the Worcestershire, beef consommé, and Better Than Bouillon Roasted Beef Base. Whisk to combine and set aside.

Raw beef roast seasoned and searing in a black skillet on a stovetop with visible grease and bubbles.

Step 6: Pat dry the roast. Heat sunflower oil and butter in a sauté pan over medium-high heat for 4 mins. Add the roast.

A seared piece of meat sits in a black skillet with some browning and oil visible on the surface.

Step 7: Sear each side for 3-4 mins, until a golden crust has formed.

A browned roast atop sliced onions and breadcrumbs in a slow cooker lined with a plastic bag.

Step 8: Add the roast to the slow cooker.

Brown liquid is being poured into a steaming pot on a stovetop, with bubbles forming in the mixture.

Step 9: Add the beef consommé mixture to the sauté pan and cook while stirring to release the fond. About 1 min. Take off heat.

A person pours dark liquid into a slow cooker containing a roast and sliced onions.

Step 10: Measure and add the dark beer to the slow cooker.

Rich brown beef broth is being poured over a browned beef roast in a slow cooker lined with plastic.

Step 11: Add the sauté pan liquid to the slow cooker.

A brown roast resting on sliced onions in a slow cooker, surrounded by a flavorful broth.

Step 12: Cover and cook on low for 3 hrs.

A sliced piece of tender beef resting on a cutting board, accompanied by a spatula and knife.

Step 13: Once 3 hrs are up, remove the roast to a cutting board. Turn the slow cooker to warm and let meat rest on the counter for 20 mins. 

Sliced roast beef placed on a white cutting board with a stainless steel knife beside it.

Step 14: Once 20 mins are up, thinly slice the roast across the grain.

Slow cooker filled with tender beef submerged in savory broth, surrounded by cooking utensils and vinegar bottle.

Step 15: Place the sliced meat back into the slow cooker. 

Cover and continue to cook on low for 2 hrs then set to warm and begin the next step.

Prepare the sandwiches

Three split sandwich rolls arranged on a baking sheet with a jar of mayonnaise and various seasonings nearby.

Step 1: Preheat the oven to 425°F then gather all of the ingredients for the rolls.

Lay the rolls on a large sheet pan (I only made 3 but there is enough for 4 sandwiches).

A tray holds four rolls spread with seasoning, set on a textured countertop with blurred background furniture.

Step 2: Spread mayonnaise on the rolls and sprinkle with salt, pepper, and garlic powder to taste.

Five toasted sandwich rolls are arranged on a metal baking sheet on a kitchen counter.

Step 3: When the oven is done preheating, place rolls mayonnaise side down on the sheet pan.

Three toasted bread rolls with a golden-brown crust, placed on a dark, slightly greasy baking tray.

Step 4: Cook the rolls until toasted, about 6 mins. Set aside.

Slow-cooked meat covered with plastic wrap in a glass dish on a stainless steel countertop.

Step 5: Remove the meat to a bowl, cover and set aside.

A person wearing an oven mitt pours braising liquid and onions into a strainer over a countertop.

Step 6: Strain the liquid into a fat separator.

A glass dish covered with plastic wrap contains brown cooked meat on a stainless steel countertop.

Step 7: Add the onions and garlic to a bowl, cover and set aside.

Two white ramekins filled with dark brown liquid sit on a wooden cutting board. Steam rises from the liquid.

Step 8: Pour the strained liquid into ramekins for dipping (being careful not to include the fat). Cover and set aside (I only filled 2 but there is enough for 4).

A baking tray holds French dip sandwiches with beef and melted cheese on toasted rolls, beside a bowl of shredded meat.

Step 9: Top the mini subs with meat, onions, garlic, and cheese.

Toasted sandwich buns topped with melted cheese, tender beef, and caramelized onions on a baking sheet

Step 10: Bake until cheese is melted, about 3 mins.

Bon Appétit!

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