Slow Cooker Porcupine Meatballs

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If you’re looking for an old-fashioned comfort food dinner that’s hearty, easy, and budget-friendly, these Slow Cooker Porcupine Meatballs are just the thing. Juicy meatballs made with rice get slow-cooked in a rich tomato sauce until tender and flavorful. It’s a classic retro recipe that’s still just as delicious today—and the crock pot makes it even easier!

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This recipe will always hold a special place in my heart. Every time I make these hearty meatballs, I’m reminded of the comfort and nostalgia of my grandmother’s kitchen. She often served them alongside her stuffed peppers, but she had a clever trick for the grandkids who weren’t fans of peppers (myself included!). She would take the savory stuffing from inside the peppers and turn it into these flavorful porcupine meatballs—no peppers required.

The name comes from the uncooked rice mixed into the meat. As the meatballs simmer, the rice cooks and pokes out, giving them the look of little porcupine quills. Smothered in a rich, savory tomato sauce, these meatballs are the ultimate cozy comfort food. We love serving them over mashed potatoes, egg noodles, or even more rice for a hearty meal that the whole family will love!

Why You’ll Love It

• Simple ingredients – Ground beef, rice, and a few pantry staples.
• Family favorite – Kids love the fun name “porcupine meatballs,” and adults love the cozy flavor.
• Hands-off cooking – Let the slow cooker do all the work.
• Great for leftovers – Tastes even better the next day.
• Freezer friendly– Make a double batch and freeze for an easy dinner in the future.

What You’ll Need

Find the full, printable recipe with exact measurements at the bottom of this post. Read on for more details and tips!

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• 6 quart or larger Slow Cooker

For the Meatballs:

• Ground beef (or a beef/pork mix)
• Uncooked long grain rice
• Onion and garlic
• Worcestershire sauce
• Egg and seasonings

For the Sauce:

• Crushed tomatoes + tomato sauce
• Condensed tomato soup
• Beef broth
• Worcestershire sauce
• Italian seasoning
• Sugar (optional, to balance the acidity)

How To Make It

Mix the Meatballs
Combine ground beef, rice, onion, garlic, egg, Worcestershire sauce, and seasonings. Roll into meatballs about 1 tablespoon or 1 ½ inches in size.

Stir the Sauce
In a bowl, whisk together crushed tomatoes, tomato sauce, condensed tomato soup, beef broth, Worcestershire sauce, Italian seasoning, and sugar.

Assemble in the Slow Cooker
Spray the crock pot with nonstick cooking spray. Place the meatballs inside, (it’s ok if they overlap) then pour the sauce over top.

Cook Low and Slow
Cover and cook on Low for 7 hours or High for 3 1/2 hours, until the meatballs are tender and the rice is cooked through.

Serve and Enjoy
Spoon over mashed potatoes, noodles, or serve with crusty bread to soak up all that sauce.

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Tips

• Don’t use instant rice—it can get mushy in the slow cooker. Stick with long grain rice.
• For a veggie boost, stir in diced bell peppers or sliced carrots with the sauce.
• Want it cheesy? Sprinkle mozzarella on top during the last 10 minutes of cooking.
• This filling can be stiffed into bell peppers and cooked as directed for stuffed bell peppers.
• Refrigerator: Store in an airtight container for up to 4 days.

❄️ Freezer Instructions for Crock Pot Porcupine Meatballs

Porcupine Meatballs freeze beautifully, but because they contain uncooked rice, it’s important to prep them the right way so the rice hydrates properly during cooking.

To Freeze (Prep Ahead):

1. Mix the meatball mixture:
Prepare the meatball mixture exactly as the recipe states (ground beef, uncooked rice, seasoning, etc.).

2. Form the meatballs:
Roll into meatballs and place them on a parchment-lined baking sheet.

3. Flash freeze:
Freeze the tray uncovered for 1–2 hours until the meatballs are firm.
(This keeps them from sticking together in the bag.)

4. Bag and label:
Transfer the frozen meatballs to a freezer bag or container.
Label with:

• “Porcupine Meatballs”
• Date
• “Cook within 3 months”
• Cooking instructions

5. Freeze the sauce separately (recommended):
Prepare the sauce as directed and pour it into a separate small freezer bag. Tape it to the meatball bag, if desired.
(Freezing separately helps the rice maintain perfect texture.)

To Cook from Frozen

Option 1: Thaw First (BEST texture)

1. Place the frozen meatballs + sauce in the fridge 12–24 hours to thaw completely.
2. Add everything to the slow cooker.
3. Cook on LOW for 6–7 hours or HIGH for 3–4 hours, until meatballs are tender and rice is fully cooked.

Option 2: Cook From Frozen (works, but longer cook time)

1. Place frozen meatballs in the slow cooker.
2. Add the sauce on top.
3. Cook on LOW for 7–8 hours or HIGH for 4–5 hours.
   Rice will take slightly longer to soften when cooked from frozen.

⭐ Tips for Freezing Success

• Use lean ground beef to avoid excess grease in the sauce.
• Don’t overpack the slow cooker — keep meatballs in a single layer as much as possible.
• If the sauce thickens too much during cooking, stir in a splash of broth at the end.
• These freeze great for up to 3 months.

FAQ’s

Why are they called porcupine meatballs?
When the rice inside cooks and expands, it pokes through the meatballs, making them look like little porcupines!

Can I make these ahead of time?
Yes! Mix and roll the meatballs, then store them in the fridge overnight. In the morning, just add them to the crock pot with the sauce.

Do I need to brown the meatballs first?
Nope—this recipe is designed to be truly hands-off. The meatballs cook directly in the sauce, soaking up flavor as they simmer.

More To Try

• Beef Stroganoff Rice Bake
• City Chicken
• Weeknight Chicken and Biscuits
• Pittsburgh Porkchops
• Mississippi Chicken and Rice Casserole
• Greek Meatballs
• Sloppy Joe Pasta

Comfort in a Bowl

These Crock Pot Porcupine Meatballs are proof that simple, old-fashioned recipes never go out of style. With just a few ingredients and your slow cooker, you’ll have a cozy, comforting meal that the whole family will ask for again and again.

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