This 4-ingredient slow cooker flag day feast is exactly the kind of set-it-and-forget-it recipe I lean on when the day is busy but I still want something that feels special. You literally put a raw top round roast in the crock with just three other everyday ingredients, flip the switch, and hours later you’ve got tender, sliceable beef in a rich, savory gravy. It’s perfect for casual holidays like Flag Day when friends are dropping by and you want to feed a crowd without hovering over the stove all afternoon.
Serve the roast sliced or shredded with its juices spooned over mashed potatoes, buttered egg noodles, or steamed rice. Add a simple side salad, coleslaw, or roasted green beans to freshen things up. Leftovers make fantastic sandwiches on crusty rolls with a slice of provolone, or you can tuck the meat into tortillas for quick beef tacos. A crisp lager or iced tea on the side rounds everything out for an easy, all-American style meal.
4-Ingredient Slow Cooker Flag Day RoastServings: 6
Ingredients
3 to 3 1/2 pounds raw beef top round roast
1 (10.5-ounce) can condensed cream of mushroom soup
1 (1-ounce) packet dry onion soup mix
2 cups chopped red bell pepper (about 2 large peppers), cut into chunky pieces
Directions
Place the raw top round roast in the bottom of the slow cooker so it sits flat in the center.
Scatter the chunky pieces of red bell pepper all around and on top of the roast, letting some pieces fall to the sides so they’re visible against the meat.
In a small bowl, stir together the condensed cream of mushroom soup and the dry onion soup mix until mostly smooth and combined.
Pour the soup mixture evenly over the top of the roast and peppers, using a spatula to spread it so the meat is mostly coated. Do not add extra water; the roast will release plenty of juices as it cooks.
Cover the slow cooker with the lid and cook on LOW for 8 to 9 hours, or on HIGH for 4 to 5 hours, until the roast is very tender and easily pulls apart with a fork.
Once done, carefully transfer the roast to a cutting board. Let it rest for about 5 to 10 minutes, then slice against the grain or shred with two forks, depending on how you like it.
Stir the peppers and cooking juices together in the slow cooker to form a chunky gravy. Return the sliced or shredded beef to the slow cooker and gently toss to coat in the sauce.
Taste the meat and gravy, and adjust with a pinch of salt and black pepper if needed before serving hot with your favorite sides.
Variations & Tips
If you want to lean into the holiday theme a little more, you can add 1 cup of baby potatoes (cut in half) to the bottom of the slow cooker along with the red bell pepper, but keep in mind that will increase the ingredient count beyond the core four. For extra richness, stir in 1 to 2 tablespoons of butter at the end while you’re mixing the beef back into the gravy. If you prefer a bit of tang, add a splash (about 1 tablespoon) of Worcestershire sauce to the soup mixture before pouring it over the roast. To make this recipe a touch lighter, you can use a reduced-fat cream of mushroom soup and trim any visible fat from the top round before cooking. For spice lovers, swap one of the red bell peppers for a red poblano or add a pinch of red pepper flakes. Food safety tips: Always start with a fully thawed roast—never put a frozen roast directly into the slow cooker, as it can sit too long at unsafe temperatures. Keep the lid on while cooking to maintain a safe, steady heat. Use a meat thermometer if you’re unsure; the internal temperature should reach at least 145°F, though this roast will usually go much higher as it becomes fork-tender. Refrigerate leftovers within 2 hours in shallow containers and use within 3 to 4 days, or freeze for up to 3 months.
