My grandpa taught me this easy weeknight trick with exactly 3 ingredients dumped right into the pot. It creates a rich, savory gravy that will have everyone licking their plates clean.

This slow cooker 3-ingredient creamy mushroom chicken is exactly the kind of weeknight dinner my grandpa would have approved of: no fuss, no fancy steps, just three things dumped right into the pot that somehow turn into the coziest, plate-licking gravy. He was the king of making simple pantry staples taste like Sunday supper, and this is my go-to version for busy workdays. You literally layer the chicken, pour on two more ingredients, pop the lid on, and walk away. By dinnertime, you’ve got tender chicken breasts smothered in a rich, savory, creamy brown mushroom gravy with plenty of sliced mushrooms, all waiting in the slow cooker.

This creamy mushroom chicken is perfect over a bed of mashed potatoes, egg noodles, or steamed rice to soak up all that gravy. I like to add something green on the side—steamed green beans, roasted broccoli, or a simple salad with a tangy vinaigrette—to balance the richness. Warm dinner rolls or crusty bread are great for swiping up the extra sauce straight from the slow cooker. If you’re packing leftovers for lunch, portion the chicken and gravy over rice or noodles in meal-prep containers so it reheats as a ready-to-eat bowl.

Servings: 4

2 pounds boneless, skinless chicken breasts (about 3–4 medium breasts)

Spray the inside of your slow cooker lightly with nonstick cooking spray or rub with a little oil to help with cleanup (optional but helpful).

Spread the sliced fresh mushrooms evenly over the bottom of the slow cooker to create a bed for the chicken.

Lay the chicken breasts in a single layer on top of the mushrooms. It’s okay if they overlap slightly, but try to keep them mostly in one layer so they cook evenly.

Spoon the condensed cream of mushroom soup directly over the chicken breasts. Use a spatula or the back of a spoon to spread it so all of the chicken is covered. Do not add water or milk—the condensed soup will thin out as the chicken cooks and releases juices, creating a rich, creamy brown mushroom gravy.

Cover the slow cooker with the lid and cook on LOW for 4–6 hours, or on HIGH for 2½–3½ hours, until the chicken is cooked through and very tender. The internal temperature of the thickest part of the chicken breasts should reach at least 165°F (74°C).

Once cooked, gently shred the chicken into large chunks with two forks right in the slow cooker or leave the breasts whole, depending on how you like to serve it. Stir the chicken and mushrooms through the creamy gravy so everything is well coated.

Taste the gravy and, if desired, add a small pinch of salt and black pepper to taste (optional and not required for the base 3-ingredient recipe). Serve hot, spooning plenty of mushrooms and gravy over each portion.

If you want to keep the spirit of the original 3-ingredient trick but tweak it a bit, there are lots of easy options. For a slightly deeper flavor, you can use one can of cream of mushroom soup and one can of golden mushroom soup (this will make the gravy a bit darker and extra savory). If you prefer dark meat, boneless, skinless chicken thighs work beautifully and stay very juicy; just trim excess fat and cook on LOW for 5–6 hours. To stretch the meal for a crowd, add an extra half pound of chicken and a few more mushrooms; the gravy is generous and can handle it. For a touch of freshness at the end, stir in a handful of chopped fresh parsley or a splash of milk or cream to loosen the sauce if it’s thicker than you like (this would add an extra ingredient beyond the base three). You can also serve the chicken shredded over toasted buns as an easy open-faced sandwich with gravy. Food safety tips: Always start with fully thawed chicken—do not put frozen chicken directly into the slow cooker, as it can stay too long in the temperature “danger zone” (40°F–140°F). Use a meat thermometer to ensure the chicken reaches at least 165°F in the thickest part before serving. Refrigerate leftovers within 2 hours of cooking, store in an airtight container in the fridge for up to 3–4 days, and reheat until steaming hot before eating.