Sloppy Joe Casserole might just save your Tuesday night, or Wednesday. You come home late, you’re triple-hungry, and the last thing you wanna do is scrub a dozen pans. But you also don’t wanna order takeout again (you can trust me, my wallet hates me when I do). That’s when this Crock Pot Sloppy Joe Casserole jumps in. All the messy, nostalgic goodness rolled into a one-pot meal that’s almost too easy. It feeds a crowd or, let’s be real, makes leftovers for those “ugh, what’s for lunch?” days.

Why You’ll Love It
Let’s not beat around the bush. There’s comfort food, and then there’s Crock Pot Sloppy Joe Casserole comfort food. It’s got layers of melty cheese, saucy beef, and some kind of magic that gets even picky eaters to the table fast. I love how the slow cooker does all the heavy lifting (I use this recipe with my battered five-quart Crock Pot that’s seen it ALL). You toss everything in, walk away, and come back to a bubbling, hearty dish. Bonus: it’s wallet-friendly and feels like something straight outta Grandma’s recipe stack. Kids? They’ll fight over the last scoop. Adults? That “mm, what is THAT?” face happens every single time.
Honestly, nothing beats how it reheats, too. Some casseroles get weird when reheated, but this one? Uh, nope. Still as good as the first bite.
I’ve made a lot of casseroles, but my whole family requests this one my son even asks for seconds, which is basically unheard of!

What You’ll Need
Alright, keep it simple. The real deal here is using stuff you probably already have. You’ll grab some ground beef (sometimes I mix half turkey if I’m feeling lighter), yellow onion, garlic if you wanna get wild, and canned tomato sauce. Don’t forget the classic Sloppy Joe sauce I lean good ol’ Manwich, but no shade if you make your own! You’ll want elbow noodles or whatever’s at the back of the pantry (I swear, I once used broken lasagna noodles, and no one noticed). Some shredded cheddar turns it real dreamy. Not optional in my house.
A sweet dash of brown sugar plus a squirt of yellow mustard brings it ALL together. Oh, and don’t skip salt and pepper. That plain Jane casserole will thank you. If you’re feisty, add diced bell pepper…is that Texas-style? Maybe. Kinda.

How to Make Sloppy Joe Casserole
So, it’s not rocket science good, right? Brown your meat first in a skillet. Trust me, don’t rush this or your casserole gets all greasy and sad. Dump that into your Crock Pot. Add onions, garlic (stir a sec), then let the slow cooker work its magic. Add in your Sloppy Joe sauce, tomato sauce, and all those silly seasonings (don’t forget the brown sugar, for real).
Let it bubble on low about four hours, or if you’re frantic, high for two. Right before it’s done, toss in cooked noodles and half the cheese. Let them get to know each other five, ten minutes. Then, the rest of the cheese goes on top. Melty. Gooey. Oh man, don’t burn your mouth (I do this every single time).
Serve with a big ol’ spoon, and maybe a bib if you’ve got eager kiddos.
Make-Ahead Method
Wanna game the dinner rush? This’s what I do: brown the beef and onions ahead (sometimes the night before). Store them in an airtight container in the fridge. Next morning, chuck all your prepped stuff in the Crock Pot. No fuss when you’re sleepy.
You can even freeze the cooked beef/veggie mixture if you’re squirrel-like with meal prep. Thaw, throw together, and go. Casserole will still taste rich and saucy.
Meals like this make you feel like a rockstar when you remember you already did half the work yesterday, ha.
Print
Crock Pot Sloppy Joe Casserole
- Total Time: 130 minutes
- Yield: 4 servings 1x
- Diet: Omnivore
Description
A comforting, one-pot meal featuring layers of melty cheese and saucy beef that’s easy to prepare in a slow cooker.
Ingredients
- 1 lb ground beef (or half turkey)
- 1 yellow onion, diced
- 2 cloves garlic, minced
- 1 can (15 oz) tomato sauce
- 1 can Sloppy Joe sauce (such as Manwich)
- 2 cups elbow noodles (or pasta of choice)
- 2 cups shredded cheddar cheese
- 1 tbsp brown sugar
- 1 tbsp yellow mustard
- Salt and pepper to taste
- Diced bell pepper (optional)
Instructions
- Brown the ground beef in a skillet over medium heat. Drain excess grease.
- Combine cooked beef, onion, and garlic in the Crock Pot.
- Add Sloppy Joe sauce, tomato sauce, brown sugar, mustard, salt, and pepper. Stir well.
- Cook on low for 4 hours or high for 2 hours.
- Before serving, stir in cooked noodles and half the cheese. Let sit for 5-10 minutes to meld together.
- Top with remaining cheese and serve warm.
Notes
Can be made ahead by prepping and refrigerating the beef and onions the night before. This casserole freezes well for future meals.
- Prep Time: 10 minutes
- Cook Time: 120 minutes
- Category: Main Course
- Method: Slow Cooking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 450
- Sugar: 6g
- Sodium: 750mg
- Fat: 20g
- Saturated Fat: 8g
- Unsaturated Fat: 10g
- Trans Fat: 1g
- Carbohydrates: 43g
- Fiber: 3g
- Protein: 25g
- Cholesterol: 70mg
Substitutions and Variations
Look, we’ve all been short an ingredient and had a moment of panic. No sweat! Swap in ground chicken or turkey for the beef if you want a lighter spin still tastes like home. If you love heat, a can of green chilies will fire things up fast. I’ve thrown in all kinds of veggies hiding in my crisper, from zucchini to frozen corn, and it just adds to the flavor party.
Wanna make it gluten free? Grab a gluten-free noodle. Got leftover buns from barbecue last week? Chop ‘em up and bake on top for crunch (it’s weirdly delicious). You do you, friend!
Serving Suggestions
Let’s make it pop at the table:
- Try topping with a sprinkle of green onions or chives for something fresh
- Serve with a side of pickles odd, but it hits the spot
- A little hot sauce on top if you’re a spice chaser
- Oh, and garlic bread never hurt anybody
Common Questions About Crock Pot Beef Pasta Casserole
Can I use a different type of pasta in this crock pot casserole?
Yup! You can use almost any pasta shape that holds sauce well rotini, penne, or shells all work great. Just stick with sturdy noodles that won’t turn mushy during cooking. If you swap the pasta type, keep an eye on the texture near the end of cook time and adjust as needed.
Does crock pot beef pasta casserole freeze well?
Sure does! Let it cool completely, then portion it into freezer-safe containers. It reheats beautifully for easy weeknight dinners or quick lunches. To keep it creamy, add a splash of broth or sauce when reheating especially if you’re microwaving single servings.
Can I make this beef pasta casserole vegetarian?
Absolutely. Just swap the ground beef for your favorite meatless crumbles, lentils, or even chopped mushrooms. They’ll soak up the sauce just as well and keep the texture hearty. It’s a simple way to make a comfort dish that fits vegetarian or flexitarian diets.
How long does crock pot beef pasta casserole stay good in the fridge?
It’ll keep for about four days in an airtight container, and honestly, it might taste even better after a night or two. The flavors blend beautifully as it sits. Just reheat gently on the stove or in the microwave until warmed through for that fresh-from-the-pot goodness.
Do I have to brown the meat before adding it to the crock pot?
Please do it’s worth the extra five minutes! Browning the meat adds depth of flavor and helps the casserole stay less greasy. You’ll get that savory, caramelized richness that makes the whole dish taste like it’s been slow-cooked all day (which, it kinda has!).
Bring Your Own Flavor (and Appetite)
So that’s the lowdown on Crock Pot Sloppy Joe Casserole. It’s easy, adaptable, and saves your sanity on extra-busy evenings. Big on flavor, no fancy steps, and seriously leftovers are gold. Next time you need a crowd-pleaser, trust this one. You want more cozy dinner ideas? Check out these slow cooker recipes from trusted sources like Food Network or Allrecipes. Now go on, go get cookin’ and don’t forget to grab a second helping!

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Hey y’all if slow-cooked comfort food makes your heart happy, you’re in the right place. 💛 Follow Crock Cozy on Pinterest for hearty casseroles, tender roasts, and weeknight dinners that taste like home.
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