Crockpot Kitchen Sink Casserole

[Maddie]

Have you ever had one of those days where you look at your fridge and think, “What on earth am I going to do with all this?” Yep, me too! That’s exactly where this Crockpot kitchen sink casserole comes in to save the day. It’s one of those recipes that feels like a satisfying, hearty meal after a long day—and the best part? You just throw everything in the crockpot and let it work its magic.

I call it the “kitchen sink” casserole because it’s basically a little bit of everything—ground beef, veggies, rice, and cheese—all simmered together into pure comfort food bliss. It’s absolutely perfect for those nights when you just want to set it and forget it. Plus, it’s a great way to use up whatever veggies you have hanging out in your crisper drawer.

Let’s also just appreciate how easy it is to throw together! No fancy ingredients, no complicated steps—just good old-fashioned comfort food that practically makes itself.

Whether it’s a busy weeknight or a lazy Sunday, this dish has you covered. Your whole family will be asking for seconds (and maybe even thirds), and you’ll feel like a total rockstar for whipping it up with minimal effort.

This is truly one of those magical recipes that turns a bunch of seemingly random and everyday ingredients into something truly delicious and comforting. Whether you’re feeding a hungry family or just looking to meal prep for the week, this dish has your back.

The best part? You can easily switch things up with whatever you’ve got on hand—swap the ground beef for turkey, add in some bell peppers, or even top it with a little extra cheese! This is truly a customizable dish!

Ingredients for this crockpot kitchen sink casserole recipe​

• 
  White onion, sliced
  
  
• 
  Red potatoes, thinly sliced
  
  
• 
  Carrots, peeled and thinly sliced
  
  
• 
  Celery, sliced
  
  
• 
  Garlic, minced
  
  
• 
  Olive oil
  
  
• 
  Lean ground beef
  
  
• 
  Onion powder
  
  
• 
  Garlic powder
  
  
• 
  Worcestershire sauce
  
  
• 
  Butter, sliced
  
  
• 
  White rice, uncooked
  
  
• 
  Condensed tomato soup
  
  
• 
  Cheddar cheese, grated
  
  
• 
  Kosher salt
  
  
• 
  Freshly ground black pepper
  

How to make this crockpot kitchen sink casserole​

Step 1: Add onions, potatoes, carrots, and celery to a crockpot. Drizzle with olive oil and garlic. Toss until everything is well coated.

Step 2: Brown ground beef in a skillet over medium-high heat, seasoning with salt, pepper, onion powder, and garlic powder.

Stir in Worcestershire sauce and spread ground beef over vegetables in the slow cooker.

Top with slices of butter.

Step 3: Sprinkle rice over the beef, then mix together tomato soup and 1 1/2 cups of water and pour over the rice.

Step 4: Cover and cook on low for 6-7 hours or on high for 4 hours.

Step 5: Uncover and top with cheese. Cover but turn crockpot off and let sit until the cheese has melted. Enjoy!

Helpful Tips and Substitutions​

• If you don’t have access to red potatoes, you can use russet potatoes, sweet potatoes, or even a mix of both. Feel free to toss in extra veggies like bell peppers, zucchini, or mushrooms to make it even heartier.
• While ground beef works great, you can easily swap it out for ground turkey, chicken, or even plant-based ground meat if you’re looking for a lighter or vegetarian option.
• Cheddar cheese is classic, but feel free to use whatever you have on hand—mozzarella, Colby Jack, or even a little pepper jack if you like a kick!
• Want to kick things up a notch? Sprinkle in a bit of smoked paprika or chili powder when browning the ground beef for a bit of smoky heat.

Common Questions​

Can I make this crockpot kitchen sink casserole recipe ahead of time?​

Absolutely! This casserole stores beautifully for later in the fridge or even in the freezer.

Can I freeze this crockpot kitchen sink casserole for later?​

Of course! For longevity, keep it stored in a freezer-safe container for up to two months.

How should I reheat the crockpot kitchen sink casserole?​

The best way to reheat this casserole would be in the oven, however, you can also warm it up again in the microwave! Be sure to thaw it in advance if you froze it down.

What should I serve with a crockpot kitchen sink casserole?​

A crisp, light salad would be a perfectly balanced side with this casserole. I also suggest serving this with a crispy bread or bun. It will be perfect for sopping up any of the sauce. Roasted vegetables are also a side dish you can’t go wrong with.

Crockpot Kitchen Sink Casserole​

Yield: 6
Prep Time: 15 minutes
Cook Time: 7 hours
Total Time: 7 hours 15 minutes










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Ingredients​

• 1 white onion, sliced
• 4 medium red potatoes, washed and thinly sliced
• 2 medium carrots, peeled and thinly sliced
• 1 stalk celery, sliced
• 2 cloves garlic, minced
• 1 tablespoon olive oil
• 1 1/2 lbs lean ground beef
• 1/2 teaspoon onion powder
• 1/2 teaspoon garlic powder
• 2 tablespoons Worcestershire sauce
• 3 tablespoons butter, sliced
• 1/2 cup white rice, uncooked
• 1 (10 oz) can condensed tomato soup
• 1 1/2 cups cheddar cheese, grated
• Kosher salt and freshly ground black pepper (to taste)

Instructions​

Step 1: Add onions, potatoes, carrots, and celery to a crockpot. Drizzle with olive oil and garlic. Toss until everything is well coated.

Step 2: Brown ground beef in a skillet over medium-high heat, seasoning with salt, pepper, onion powder, and garlic powder. Stir in Worcestershire sauce and spread ground beef over vegetables in the slow cooker. Top with slices of butter.

Step 3: Sprinkle rice over the beef, then mix together tomato soup and 1 1/2 cups of water and pour over the rice.

Step 4: Cover and cook on low for 6-7 hours or on high for 4 hours.

Step 5: Uncover and top with cheese. Cover but turn crockpot off and let sit until the cheese has melted. Enjoy!

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