Cottage Pie Casserole

Name: Cottage Pie Casserole with Mashed Potato Topping
Prep time: 15 min
Cook time: 40 min
Total time: 55 min
Yield: 6 servings
Cuisine: American
Ingredients: 2 lbs ground beef, browned; salt, to taste; black pepper, to taste; garlic powder, to taste; onion powder, to taste; 1 package brown gravy mix; 2 (10.5 oz) cans cream of mushroom soup; 1 can milk (approx. 10.5 oz); 1 (10 oz) bag frozen mixed vegetables; 2 family-size packages instant mashed potatoes, prepared

Cottage Pie Casserole combines seasoned ground beef and vegetables in a creamy mushroom sauce, topped with fluffy mashed potatoes for a complete, comforting one-dish meal.

🌍American 🏷️Cottage pie 🏷️Casserole 🏷️Ground beef 🏷️Mashed potatoes Comfort food

🏷️

🏷️Weeknight dinner

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TikTok

Total

55 min

Servings

6

Difficulty

Easy

Est. Cost

$20–$33

Recipe Source

View original recipe

From TikTok

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TikTok

Ingredients

2 lbs ground beef, browned
salt, to taste
black pepper, to taste
garlic powder, to taste
onion powder, to taste
1 package brown gravy mix
2 (10.5 oz) cans cream of mushroom soup
1 can milk (approx. 10.5 oz)
1 (10 oz) bag frozen mixed vegetables
2 family-size packages instant mashed potatoes, prepared

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Instructions

1
In a large casserole dish, add the browned ground beef.
2
Season the beef with salt, pepper, garlic powder, and onion powder.
3
Sprinkle the brown gravy mix over the beef.
4
Add the cream of mushroom soup and milk. Mix everything together until well combined.
5
Stir in the bag of frozen mixed vegetables.
6
Top the beef mixture with the prepared instant mashed potatoes, spreading them into an even layer.
7
Preheat your oven to 375°F (190°C).
8
Bake uncovered for 40 minutes, or until heated through and the top is lightly golden.
9
Let the casserole rest for 10-15 minutes before serving.

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Tips & Notes

Pro tips

Brown the ground beef thoroughly and drain excess fat to prevent a greasy filling and ensure the casserole isn't heavy.
Prepare mashed potatoes just before assembling; warm potatoes spread more easily and create a smoother, more even topping.
Mix the brown gravy powder with the beef before adding soup to build deeper flavor and avoid lumps.
Spread mashed potato topping to all edges to prevent the filling from drying out during baking.

Substitutions

Ground beef → ground turkey or ground lamb (slightly reduces richness; turkey may need extra seasoning)
Cream of mushroom soup → cream of chicken or cream of celery soup (flavor shifts slightly but structure remains the same)
Frozen mixed vegetables → fresh diced carrots, peas, corn, and celery (add 2-3 minutes to initial browning step)
Instant mashed potatoes → 3 cups freshly mashed potatoes plus 4 tablespoons butter and ½ cup milk (smoother texture but requires more prep)

Storage & make-ahead

Store covered in the refrigerator for up to 4 days. Reheat covered at 350°F for 15-20 minutes until warmed through. Casserole freezes well unbaked or baked for up to 3 months.