Crock Pot Chuck Roast with Mashed Potatoes

Ingredients

• 1.8 kg (4 lb)chuck roast
• 1 largeonion
• 5 clovesgarlic, minced
• 794 g (28 oz)cream of mushroom soup
• 1 packetLipton® dry onion soup mix
• 198 g (7 oz)Herdez® Salsa Casera, hot
• 1 tspsalt
• 1 tsppepper
• 3 largepotatoes, peeled and cubed
• 57 g (½ stick)butter
• 120–180 ml (½–¾ cup)evaporated milk
• 113 g (4 oz)cream cheese
• to tastesalt and pepper

Instructions

1. 1

   Add the onion

   Set the slow cooker to high and spread the chopped onion across the bottom.

2. 2

   Place the roast

   Put the chuck roast on top of the onion.

3. 3

   Season the meat

   Sprinkle the minced garlic, 1 tsp salt, 1 tsp pepper and dry onion soup mix over the roast.

4. 4

   Add the sauces

   Pour the salsa and cream of mushroom soup over the meat.

5. 5

   Slow cook

   Cover and cook for 6–8 hours on high or 10–12 hours on low.

6. 6

   Cover the potatoes

   For the mashed potatoes, put the peeled, cubed potatoes in a large saucepan and cover them with water.

7. 7

   Cook until soft

   Cook the potatoes until they are soft.

8. 8

   Drain the potatoes

   Drain off the water, then return the potatoes to the saucepan.

9. 9

   Add dairy

   Add the butter, evaporated milk and cream cheese.

10. 10

    Mash until creamy

    Mash the potatoes until they reach your preferred creaminess.

11. 11

    Season to taste

    Add salt and pepper to taste.

What is chuck roast with mashed potatoes?

This is a homestyle American meal built around beef cooked slowly until tender, with mashed potatoes served alongside. Slow-cooked pot roast has long been a practical way to turn a substantial cut of beef into a comforting family dinner.

Here, mushroom soup and dry onion soup mix make a savoury cooking sauce, while hot salsa adds a lively note. The potatoes are cooked separately, so you can mash them to suit your preferred texture.

Nutrition and macros by portion

The nutrition label shows one serving as written: 414 calories, 35g protein, 17g carbs, 23g fat.

The beef supplies most of the protein, while the potatoes contribute much of the carbohydrate. Butter, cream cheese and evaporated milk add fat to the mash, and the sauce ingredients also contribute to the overall richness. Balance the plate with a generous serving of green vegetables alongside the roast and potatoes.

Why these ingredients work

Chuck roast: its connective tissue softens during the long cook, making this cut well suited to slow cooking. Keeping it whole for the cooking time helps it stay moist in the sauce.

Sauce base: mushroom soup, onion soup mix and salsa supply the main savoury and spicy flavours. The recipe uses hot salsa, so expect some heat in the finished sauce.

Getting the roast ready

Onion layer: chopped onion goes beneath the meat, where it cooks in the juices and forms part of the sauce. Spread it across the base of the slow cooker before adding the roast.

Seasoning: scatter the garlic, salt, pepper and soup mix over the meat, then pour on the soup and salsa. This keeps the flavourings together in the cooking pot without an extra browning step.

How to judge doneness

Timing: the stated range is 6–8 hours on high or 10–12 hours on low. Slow cookers vary, so use the longer end of the range if the roast is not yet tender.

Texture: the meat should yield easily when tested with a fork. If it still feels firm, continue cooking rather than rushing the final stage.

Making the mashed potatoes

Potato size: cut the peeled potatoes into roughly even cubes so they soften at a similar pace. Cook them until tender before draining.

Creaminess: add the butter, cream cheese and evaporated milk, then mash to your liking. Start with the smaller amount of milk and add more as needed for a softer mash.

Serving the meal

Serve the mashed potatoes alongside the roast and spoon some of the cooking sauce over the beef. The potatoes make a useful base for the rich sauce.

For a fresher contrast, add a simple green vegetable or salad at the table. Keep the roast covered while you finish the potatoes so it stays warm.

Recipe notes & tips

• Chop the onion before you switch on the slow cooker so it is ready to form the base layer.
• Use the low setting when you want the longer cooking window specified in the recipe.
• Cut the potatoes into similar-sized cubes so they soften evenly.
• Begin with 120 ml of evaporated milk and add more gradually while mashing.
• Taste the potatoes before serving and adjust their salt and pepper as needed.

Variations

• Milder sauce: use a milder salsa in place of the hot Salsa Casera.
• Chunky mash: mash the potatoes lightly and leave some small pieces for texture.
• Extra vegetables: serve with steamed green beans or carrots alongside the roast.
• More sauce: spoon the slow-cooker cooking liquid over the beef and potatoes at the table.
• Herb finish: add chopped parsley to the mashed potatoes just before serving.

Common mistakes to avoid

• Adding the roast first: put the chopped onion on the slow-cooker base before placing the meat on top.
• Undercooking the beef: if it is still firm, continue cooking within the stated time range until it yields easily to a fork.
• Uneven potato cubes: cut them to a similar size so they soften at roughly the same rate.
• Watery mash: drain the potatoes thoroughly before returning them to the saucepan.
• Adding all the milk at once: start with the smaller quantity, then add more until the mash reaches your preferred consistency.

How to store

Refrigerate leftover roast, sauce and mashed potatoes in covered containers within 2 hours of cooking and use within 3–4 days. Reheat until steaming hot throughout; add a splash of milk to the mash if it has firmed up. Freeze leftovers in suitable containers for up to 3 months and defrost in the fridge before reheating.

Frequently asked questions