Dinner / Sandwiches, burgers & pizza
Hot Roast Beef Sandwiches with Pot Roast Gravy
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Chuck roast braises in the oven for most of an afternoon, and the gravy comes from what's left in the pot. Pile warm sliced beef onto horseradish-buttered toast, pour the gravy over, and reach for a knife and fork.
The short version
Sear a chuck roast, braise it with onion and broth at 300°F for about 3 hours, then make gravy from the juices. Pile sliced beef on butter-and-horseradish toast and pour the gravy over. About 4 hours, mostly hands-off.
What makes ours better
small changes, very loud compliments
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Spread the toast with horseradish butter. A little sharp bite under the beef cuts the richness, and the buttered toast holds up under gravy instead of dissolving into it.
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Braise with tomato paste and Worcestershire. A spoonful of each adds savory depth so the gravy tastes like it simmered all day, which it did.
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Warm the sliced beef in the gravy. The beef drinks up the gravy and stays juicy, and the sandwiches come out hot all the way through.
What you need
check the pantry before you promise anyone
- Boneless beef chuck roast3 pounds
- Yellow onions2 large
- Garlic4 cloves
- Tomato paste2 tablespoons
- Low-sodium beef broth2 cups
- Fresh thyme4 sprigs
- Bay leaf1 large
- Thick-cut white or Texas toast bread8 slices
Roast
Gravy
Sandwiches
read it twice. buy it once.
Steps
apron on. phone down. mostly.
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Heat the oven and sear the roast
Heat the oven to 300°F with a rack in the lower third. Pat the roast dry and rub it all over with the salt and pepper. Heat the oil in a Dutch oven over medium-high heat and sear the roast until deeply browned on all sides, 3 to 4 minutes per side. Move it to a plate.
Skip nothing here. The brown crust is the gravy's flavor.
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Build the braising base
Lower the heat to medium. Add the onions to the pot with a pinch of salt and cook, scraping up the browned bits, for 5 minutes. Stir in the garlic and tomato paste for 1 minute. Add the broth and Worcestershire, then tuck in the thyme and bay leaf.
About 6 min. Cook mode has a timer for this step.
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Braise until tender
Return the roast to the pot; the liquid should come about a third of the way up the meat. Bring to a simmer, cover tightly and put it in the oven. Braise for 2½ to 3 hours, turning the roast once halfway, until a fork twists in easily and the meat shreds when you press it.
If it's still tight when you poke it, it's not done. Give it another 20 to 30 minutes.
About 165 min. Cook mode has a timer for this step.
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Rest the roast and strain the juices
Lift the roast onto a cutting board and tent it with foil. Strain the liquid into a large measuring cup, discarding the solids, and spoon off the fat from the top. You want about 3 cups; add beef broth if it's short.
About 15 min. Cook mode has a timer for this step.
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Make the gravy
Melt the 3 tablespoons butter in a saucepan over medium heat. Whisk in the flour and cook for 1 to 2 minutes, until it smells nutty. Slowly whisk in the 3 cups braising liquid. Simmer for 5 to 8 minutes, stirring, until it coats the back of a spoon. Taste and add salt and pepper.
About 7 min. Cook mode has a timer for this step.
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Slice and warm the beef
Slice the roast across the grain into thin slices, or pull it into large pieces if it falls apart. Slide the beef into the gravy and warm over low heat for 5 minutes.
About 5 min. Cook mode has a timer for this step.
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Build the sandwiches
Mash the softened butter and horseradish together and spread on all the toast. Set two slices of toast on each plate. Stack beef over the bread and ladle gravy generously over everything. Serve with a knife and fork.
Good to know
things I learned the hard way, so you can skip that part
- Chuck roast is the cut. It has the fat and collagen that melt into a tender, juicy braise. A lean round roast turns dry.
- No horseradish? Use a teaspoon of Dijon in the butter instead.
- This also makes a good hot sandwich from leftover classic pot roast with vegetables. Slice the cold beef, simmer it in gravy 5 minutes, and use the same toast.
- Serve over mashed potatoes if you prefer a plate to a sandwich. See fluffy, buttery mashed potatoes.
- Storage. Beef in gravy keeps in the fridge 4 days and freezes 3 months. Reheat gently on the stove with a splash of broth; make the toast fresh.
Questions, answered
asked and answered at the kitchen counter
What cut of beef is best for hot roast beef sandwiches?
Boneless chuck roast. Its fat and connective tissue break down into tender slices and rich gravy. Brisket flat and bottom round work, but they're leaner and need more gravy to stay moist.
Can I make the roast ahead?
Yes, and it's easier to slice cold. Braise it up to 3 days ahead, refrigerate the beef in its liquid, then slice and warm it in the gravy.
Can I cook this in a slow cooker?
Yes. Sear the roast and make the base on the stove, then cook on low for 8 to 9 hours or on high for 4 to 5. Strain and make the gravy as written.
How do I keep the bread from getting soggy?
Toast it well and butter it. Pour the gravy over just before serving, and serve open-faced on a plate rather than closed in your hands.
Why is my gravy thin or greasy?
Skim the fat from the braising liquid before you use it, and simmer the gravy until it coats a spoon. If it's still thin, simmer another 3 minutes or whisk in a teaspoon of flour mashed with a teaspoon of soft butter.
How do I know the roast is done?
A fork should slide in and twist with almost no resistance, and the meat should pull apart. Time ranges from 2½ to 3½ hours depending on the roast's shape.
From the table
Made it? Tell me how it went, and who went back for seconds when they thought nobody was looking.
Made it?
tell me the truth, then tell me who had thirds
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Published October 29, 2026.