Spud-Tacular Beef and Cheesy Mashed Potato Casserole

If you’re looking for the ultimate comfort-food dinner, this Spud-Tacular Beef and Cheesy Mashed Potato Casserole is guaranteed to hit the spot. It’s a hearty baked dish layered with savory ground beef, tender vegetables, rich tomato broth, and creamy mashed potatoes topped with melted cheddar cheese.

Think of it as a cozy mash-up between a shepherd’s pie and a cheesy potato casserole. Every bite delivers savory meat, fluffy potatoes, and gooey cheese, making it perfect for family dinners, meal prep, or chilly evenings when you want something warm and satisfying.

The best part? It’s made with simple pantry ingredients and can easily feed a crowd.

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Why I Love This Recipe

This casserole has everything you want in a comforting dinner: savory meat, creamy potatoes, and melty cheese baked together in one dish.

The ground beef mixture is packed with flavor thanks to onions, garlic, tomatoes, and herbs. Meanwhile, the mashed potato topping becomes golden and slightly crisp around the edges during baking.

Another reason this recipe works so well is its versatility. You can easily adjust the vegetables, swap the meat, or even add extra cheese depending on your taste.

For busy households, this is also a great make-ahead meal, similar to dishes like Easy Meal Prep Chicken Salad: Classic & Creative Riffs that help simplify weekly cooking.

Ingredients

• 4 large russet potatoes, peeled and cubed
• 1 lb ground beef or turkey
• 1 medium onion, diced
• 2 garlic cloves, minced
• 1 cup frozen mixed vegetables (carrots, peas, corn)
• 1 can (15 oz) diced tomatoes, undrained
• 1 cup beef broth
• 1 tsp dried oregano
• 1 tsp paprika
• Salt, to taste
• Black pepper, to taste
• 1 cup shredded cheddar cheese
• 2 tbsp olive oil
• Fresh parsley, chopped for garnish

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Ingredient Swaps and Notes

This recipe is flexible and easy to customize.

Ground meat options
Ground turkey or chicken works well if you prefer a lighter dish.

Vegetable swaps
You can substitute the frozen vegetable mix with chopped carrots, green beans, or mushrooms.

Potato alternatives
Yukon Gold potatoes make an especially creamy mashed topping.

Cheese variations
Sharp cheddar adds bold flavor, but Monterey Jack or mozzarella also melt beautifully.

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Step-by-Step Instructions

1. Preheat the Oven

Preheat your oven to 375°F (190°C).

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2. Sauté the Aromatics

Heat olive oil in a skillet over medium heat.

Add the diced onion and minced garlic and sauté for 3–4 minutes until softened and fragrant.

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3. Cook the Ground Meat

Add the ground beef (or turkey) to the skillet.

Cook until browned, breaking the meat apart with a spoon. Drain excess fat if necessary.

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4. Build the Filling

Stir in:

• Frozen mixed vegetables
• Diced tomatoes with their juice
• Beef broth
• Oregano
• Paprika
• Salt and black pepper

Simmer for about 5 minutes until slightly thickened.

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5. Prepare the Mashed Potatoes

While the filling simmers, boil the cubed potatoes in salted water for about 15 minutes, until tender.

Drain and mash until smooth, seasoning with salt and pepper.

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6. Assemble the Casserole

Spread the beef and vegetable mixture evenly in a large baking dish.

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7. Add the Potato Layer

Spread the mashed potatoes over the meat layer and smooth the top with a spatula.

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8. Add the Cheese

Sprinkle shredded cheddar cheese evenly over the mashed potatoes.

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9. Bake

Bake for 25–30 minutes until the cheese is melted and bubbly and the casserole is heated through.

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10. Garnish and Serve

Allow the casserole to cool slightly before serving.

Top with fresh chopped parsley for added color and flavor.

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Tips for Success

Use hot mashed potatoes
Warm potatoes spread more easily over the filling.

Season each layer
Lightly seasoning both the filling and the mashed potatoes ensures great flavor.

Let the casserole rest
Allowing it to sit for about 5 minutes helps the layers set before serving.

Use a wide baking dish
This helps create a better ratio of filling to mashed potatoes.

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Serving Suggestions and Pairings

This casserole is hearty on its own but pairs beautifully with fresh sides.

A crisp salad like Easy Homemade Caesar Salad with Chicken adds a refreshing contrast to the rich mashed potatoes and beef.

For gatherings or potluck meals, Easy Classic Pasta Salad for Any Gathering makes an excellent side dish.

If you’re planning meals for the week, lunch-friendly options like The Ultimate Turkey Club Wrap for Easy Lunches are also great to add to your rotation.

And for another comforting dinner option, Fettuccine Alfredo: The Creamy Pasta That Became a Comfort Food Favorite is always a crowd favorite.

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Nutritional Information (Per Serving)

• Calories: 560
• Fat: 26 g
• Carbohydrates: 49 g
• Protein: 32 g

This dish provides a hearty balance of protein, vegetables, and comforting carbohydrates.

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Storage and Leftover Tips

Refrigerator
Store leftovers in an airtight container for up to 4 days.

Freezer
This casserole freezes well for up to 2 months.

Reheating
Reheat in the oven at 350°F until warmed through, or microwave individual portions.

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More Recipes You’ll Love

If you enjoy hearty, family-friendly meals like this one, try these next:

• Easy Meal Prep Chicken Salad: Classic & Creative Riffs
• Easy Classic Pasta Salad for Any Gathering
• Easy Homemade Caesar Salad with Chicken

These recipes are simple, flavorful, and perfect for everyday cooking.

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Final Thoughts

This Spud-Tacular Beef and Cheesy Mashed Potato Casserole is the definition of cozy comfort food. With layers of savory beef, tender vegetables, creamy mashed potatoes, and melted cheddar cheese, it’s a dish that’s guaranteed to satisfy everyone at the table.

It’s easy to make, incredibly filling, and perfect for weeknight dinners or meal prep.

If you try this recipe, I’d love to hear how it turned out. Share your feedback and follow along for more delicious recipes from Jason Griffith at Chef Maniac. 🥔🧀🍽️