Oh, you are going to LOVE this dish! There’s just something so incredibly comforting about a warm, hearty meal, especially when life gets hectic, right? That’s why I’m obsessed with this Meatball & Mashed Potato Bake. It’s like a big, cozy hug in a dish, and honestly, some nights it’s the only thing my family will happily devour without complaint. It’s no-fuss, super satisfying, and comes together so easily, you’ll wonder where it’s been all your life. This is one of those weeknight winners that just never disappoints.

Why You’ll Love This Meatball & Mashed Potato Bake
This dish is pure magic, and here’s why:
- Super Easy to Make: Seriously, minimal effort for maximum reward. Great for busy weeknights!
- Ultimate Comfort Food: It’s that warm, cozy meal that just hits the spot every single time.
- Family Favorite: Even the pickiest eaters usually go crazy for this combo!
- Versatile: Perfect for dinner, lunches, or even a comforting breakfast (if you’re feeling it!).
- Uses Leftovers: Fantastic way to use up leftover mashed potatoes and make something totally new and delicious.
- So Satisfying: Hearty meatballs snuggled under creamy mashed potatoes with gooey cheese – what’s not to love?
Gather Your Ingredients for the Meatball & Mashed Potato Bake
Okay, let’s get real simple here. You don’t need a gourmet pantry for this one, just a few good staples. Here’s what you’ll need to toss together:
- 1 pound ground beef – I usually go for 80/20, it has just enough fat to keep things juicy.
- ½ cup breadcrumbs – Panko works great if you have it, but regular fine breadcrumbs are totally fine too!
- ¼ cup milk – Just a splash to help bind everything together.
- 1 large egg – Our binder extraordinaire!
- ¼ cup finely chopped onion – It adds just that perfect little savory bite. Make sure it’s chopped pretty small so you don’t get big onion chunks unless you like those!
- ½ teaspoon salt – Don’t skip this, it really wakes up the flavors.
- ¼ teaspoon black pepper – Freshly ground is always best if you can.
- 2 cups prepared mashed potatoes – Leftovers are perfect here, or whip up a fresh batch. Make sure they’re cooled a bit!
- ½ cup shredded cheddar cheese – Because cheese makes everything better, right? Sharp cheddar is my go-to!

Simple Steps to Make Your Meatball & Mashed Potato Bake
Alright, let’s get this comfort food party started! It’s honestly so straightforward, you’ll feel like a kitchen rockstar in no time. Grab your mixing bowls and let’s do this!
Prepare the Meatball Mixture
First things first, get a good-sized bowl and pop in that ground beef, breadcrumbs, milk, egg, onion, salt, and pepper. Get your hands in there (it’s the best way!) and mix it all up until it’s just combined. You can even add some garlic powder here if you like a bit more zing, kind of like in these garlic butter meatballs. Trust me, don’t overmix, or you’ll end up with tough meatballs – we want tender little bites!
Form and Arrange the Meatballs
Now, roll that mixture into little balls. I like mine about golf-ball size, but you do you! Line them up on a plate or baking sheet. Then, arrange them in a single layer in your baking dish. Giving them a little space helps them cook evenly and gives you that perfect sear. If you’re feeling fancy or low-carb, you could even try these methods for keto garlic butter meatballs as a base!
Assemble the Meatball & Mashed Potato Bake
Oven needs to be preheating to 375°F (190°C) while you do this! Spoon that lovely mashed potato goodness right over the top of the meatballs, making sure to cover them completely. Then, sprinkle that shredded cheddar cheese all over the mashed potatoes. Get it in all the nooks and crannies!

Bake to Perfection
Pop that dish into your preheated oven. Let it bake for about 25 to 30 minutes. You’re looking for the meatballs to be cooked all the way through and that cheese on top to be melted, bubbly, and maybe even a little golden brown. The whole house will smell amazing!
Tips for the Best Meatball & Mashed Potato Bake
You know, a few little tricks can really elevate this dish from just good to absolutely spectacular. It’s all about those small details that make a big difference!
Mashed Potato Tips
Leftover mashed potatoes are honestly perfect for this bake! Just make sure they’re a good, sturdy consistency – not too watery. If you’re making them fresh, a slightly thicker mash works best so it holds its shape and doesn’t make the bake too soupy. Think creamy but holds its form, almost like a thick soup. We have some great ideas on this garlic-herb potato soup or even these garlic-herb roasted potatoes that could inspire your mash!
Flavor Boosters for Meatballs
Don’t be afraid to jazz up those meatballs! A little pinch of garlic powder or even a dash of Worcestershire sauce in the meatball mix really makes them sing. Some fresh parsley or chives chopped in there also adds a lovely little freshness. Sometimes I even mix a little bit of that shredded cheese *into* the meatball mixture itself – talk about cheesy goodness!
Variations for Your Meatball & Mashed Potato Bake
This recipe is a fantastic base, but honestly, it’s begging to be played with! If you want to switch things up, try using a sharp white cheddar or even a sprinkle of Parmesan on top for a different cheesy vibe. Want to sneak in some veggies? Stir some finely chopped broccoli or peas into your mashed potatoes before layering them – it’s like a secret veggie boost my kids never notice, kind of like in this cheesy vegetable chowder. You can also swap out the ground beef for ground turkey or even a mix of beef and pork for a slightly different flavor profile, or treat it like these ground beef lettuce wraps and lighten it up!

Serving Suggestions for this Meatball Bake
This Meatball & Mashed Potato Bake is practically a meal all on its own, but if you want to round out your plate, I’ve got a couple of ideas! A light, fresh salad like this grilled zucchini and chickpea salad is fantastic to cut through the richness. Or, if you’re feeling more veggies, some lightly steamed green beans or broccoli works wonders! A side of something with a little tang, like these roasted veggies with tahini yogurt, is also super yummy!
Storage and Reheating Your Meatball & Mashed Potato Bake
Leftovers? Yes, please! This bake is just as good, if not better, the next day. Let it cool completely, then stash it in an airtight container in the fridge. It should keep well for about 3-4 days. When you’re ready to reheat, the oven is your best friend – pop a portion in a small oven-safe dish at around 350°F (175°C) until it’s warmed through. Microwaving works too, just be sure to heat it evenly!
Frequently Asked Questions about the Meatball & Mashed Potato Bake
Can I use pre-made mashed potatoes?
Absolutely! Using store-bought mashed potatoes is totally fine and a huge time-saver. Just make sure they’re not too watery, as that can make the bake a bit soggy. They work just like homemade!
Can I make this recipe ahead of time?
You sure can! You can prepare the meatballs and mashed potatoes the day before. Store them separately in the fridge, then assemble and bake when you’re ready to eat. It’s a great way to get a head start, kind of like prepping ingredients for a ground beef protein bowl!
What kind of cheese works best?
Cheddar is classic and delicious, but feel free to get creative! A good sharp cheddar, Monterey Jack, or even a cheddar-mozzarella blend would be amazing. They all melt beautifully and add that extra layer of yummy flavor, just like in some of my other easy dishes like this chicken casserole!
Nutritional Information for Meatball & Mashed Potato Bake
Now, I’m not a registered dietitian or anything, but I do like to give you a rough idea of what you’re getting into with this dish. Keep in mind, these numbers are just estimates and can totally change depending on the brands you use and, you know, how much cheese you *really* pile on (I won’t judge!). It’s a pretty hearty and satisfying meal, packed with protein and carbs for good energy, almost like my high-protein meal or this yummy beef pasta!
Share Your Meatball & Mashed Potato Bake Creations!
Alright, now it’s your turn! I absolutely love seeing your kitchens come alive with my recipes. Did you make this Meatball & Mashed Potato Bake? Did your family gobble it up? Did you add your own special twist? I’d be thrilled to hear all about it in the comments below! Don’t forget to rate it if you loved it, and feel free to share pics on social media – tag me! I can’t wait to see your delicious creations. You can also learn more about me here!
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PrintMeatball and Mashed Potato Bake
A simple bake with meatballs and mashed potatoes.
- Prep Time: 15 min
- Cook Time: 30 min
- Total Time: 45 min
- Yield: 4 servings 1x
- Category: Dinner
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
- 1 pound ground beef
- 1/2 cup breadcrumbs
- 1/4 cup milk
- 1 egg
- 1/4 cup chopped onion
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 2 cups mashed potatoes
- 1/2 cup shredded cheddar cheese
Instructions
- Preheat your oven to 375°F (190°C).
- In a bowl, combine ground beef, breadcrumbs, milk, egg, onion, salt, and pepper. Mix well.
- Form the mixture into small meatballs.
- Place the meatballs in a baking dish.
- Spread the mashed potatoes over the meatballs.
- Sprinkle the cheddar cheese on top.
- Bake for 25-30 minutes, or until the meatballs are cooked through and the cheese is melted and bubbly.
Notes
- You can use leftover mashed potatoes.
- Add a pinch of garlic powder to the meatball mixture for extra flavor.
Nutrition
- Serving Size: 1 serving
- Calories: 550
- Sugar: 5g
- Sodium: 700mg
- Fat: 30g
- Saturated Fat: 12g
- Unsaturated Fat: 18g
- Trans Fat: 1g
- Carbohydrates: 40g
- Fiber: 3g
- Protein: 30g
- Cholesterol: 120mg
Keywords: meatball bake, mashed potato bake, comfort food, easy dinner, casserole


