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Keto Crockpot Zesty Italian Meatballs - Flavorful, Low-Carb Comfort Food

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Prep Time 15 minutes
Cook Time 4 hours
Total Time 4 hours 15 minutes
Servings: 6 servings
Ingredients Method

Ingredients
  

  • 1 lb ground beef (80/20 or 85/15 works best)
  • 1 lb mild or hot Italian sausage (remove casings if using links)
  • 1/2 cup finely ground almond flour
  • 1/2 cup grated Parmesan cheese
  • 2 large eggs
  • 1/4 cup heavy cream (for extra tenderness)
  • 1/3 cup minced onion (or 2 tsp onion powder for fewer carbs)
  • 3 cloves garlic, minced (or 1 tsp garlic powder)
  • 2 tbsp chopped fresh parsley (or 2 tsp dried)
  • 1–1.5 tsp kosher salt (to taste)
  • 1 tsp black pepper
  • 1.5 tsp Italian seasoning
  • 1/2–1 tsp crushed red pepper flakes (optional for “zesty” heat)
  • 24–28 oz no-sugar-added marinara sauce (check labels)
  • 2 tbsp tomato paste
  • 1/4 cup water or beef broth
  • 2 tbsp olive oil (for searing, optional)
  • Fresh basil or extra parsley (for garnish)

Method
 

  1. Prep the slow cooker. Lightly grease the crock with a little olive oil or use a liner. Pour in half the marinara to coat the bottom.
  2. Make the meatball mix. In a large bowl, add ground beef, Italian sausage, almond flour, Parmesan, eggs, heavy cream, onion, garlic, parsley, salt, pepper, Italian seasoning, and red pepper flakes. Mix gently with your hands until just combined. Don’t overwork it.
  3. Shape the meatballs. Use a cookie scoop or spoon to form 1.5–2-inch balls (about golf ball size). You should get 20–24 meatballs. Roll lightly to smooth the surface.
  4. Optional sear for extra flavor. Heat olive oil in a large skillet over medium-high. Brown meatballs 1–2 minutes per side in batches. You don’t need to cook through—just get color. This step adds depth but isn’t required.
  5. Load the crockpot. Arrange meatballs in a single snug layer. Whisk remaining marinara with tomato paste and water/broth until smooth. Pour over the meatballs, making sure they’re mostly covered.
  6. Cook low and slow. Cover and cook on Low for 4–5 hours or on High for 2–3 hours, until meatballs are cooked through and tender (internal temp 165°F/74°C).
  7. Taste and finish. Stir gently. Adjust salt, pepper, or red pepper flakes. If sauce is too thick, splash in a little broth. If too thin, uncover for 15 minutes on High to reduce.
  8. Serve. Garnish with fresh basil or parsley and extra Parmesan. Great over zucchini noodles, spaghetti squash, sautéed greens, or cauliflower mash.