Seasoned ground beef and a rich tomato sauce are baked under a layer of melted mozzarella and Parmesan in this Italian-inspired casserole. Fresh basil is stirred into the meat mixture to add a bright, herbal scent that balances the savory beef and tangy tomatoes. Served hot and bubbly, the bake has a classic aroma and a hearty profile that moves directly from stovetop to table.

About This Recipe

Starting with the onions and garlic in a hot skillet builds an aromatic base before the ground beef is added to the pan. Once the meat has cooked through and the excess fat is drained, the low-carb tomato sauce goes in to simmer, which helps the flavors concentrate and keeps the beef tender. Folding in the fresh basil just before the mixture goes into the baking dish ensures the herb stays vibrant and doesn’t get lost during the final bake.

The dish tastes like a traditional comfort meal, with the salty Parmesan and mozzarella providing a rich contrast to the acidic tomato base. Italian seasoning and black pepper give the beef a steady, warm background that fits well with the fresh basil. As the casserole heats through in the oven, the cheese melts into the top of the sauce, creating a steady, savory flavor that runs through every scoop.

This tomato basil beef bake is served in deep portions and holds its heat well, making it a great choice for family dinners or meal prep. Because the sauce is reduced slightly on the stove first, it coats the meat perfectly without leaving any extra liquid at the bottom of the dish. You can easily add a handful of spinach or some sliced zucchini if you want more vegetables or extra volume. It works as a solid standalone meal or served over cauliflower rice, offering a straightforward and fresh keto-friendly dinner.

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Why You’ll Love This Recipe

• Classic tomato basil flavor
• Cheesy and comforting
• Naturally low-carb and keto
• Great for meal prep
• Family-friendly
• Simple ingredients
• Easy weeknight bake
• Perfect ground beef casserole

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What You’ll Need for This Ground Beef Tomato Basil Bake

For the Beef Mixture

• 1.5 lb ground beef
• 1 tbsp olive oil
• 1/2 small onion, diced
• 3 cloves garlic, minced
• 1 tsp salt
• 1/2 tsp black pepper
• 1 tsp Italian seasoning

For the Sauce & Layers

• 1 1/2 cups low-carb tomato sauce
• 1/4 cup fresh basil, chopped
• 1 cup shredded mozzarella
• 1/2 cup grated Parmesan

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Step-by-Step Preparation

1. Preheat oven to 375°F.
2. Heat olive oil in a skillet over medium heat.
3. Add onion and garlic; sauté 2–3 minutes until softened.
4. Add ground beef, salt, pepper, and Italian seasoning. Cook until browned; drain excess fat.
5. Stir in tomato sauce and simmer 5 minutes.
6. Remove from heat and stir in chopped basil.
7. Transfer beef mixture to a greased baking dish.
8. Top with mozzarella and Parmesan.
9. Bake 20–25 minutes until bubbly and lightly golden.
10. Rest 5 minutes before serving.

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FAQ

• Q: Can I use ground turkey instead of beef?
  A: Yes — the flavor will be lighter but still works well.
• Q: Is fresh basil required?
  A: Strongly recommended, but dried basil can be used in a pinch.
• Q: Can I add vegetables?
  A: Yes — spinach, mushrooms, or zucchini are great additions.
• Q: Is this good for meal prep?
  A: Yes. It reheats very well and keeps its texture.
• Q: Can I freeze it?
  A: Yes — cool completely and freeze in portions.

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Variations & Substitutions

• Add spinach for extra greens
• Use provolone instead of mozzarella
• Add chili flakes for heat
• Mix in ricotta for a creamier bake
• Swap basil for oregano

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Serving Suggestions

• Serve with cauliflower rice
• Pair with roasted broccoli
• Add a crisp green salad
• Enjoy as a stand-alone meal

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Did you make this recipe?

I’d love to hear from you — leave a comment below and tell me how it turned out, what you liked, or if you made any tweaks!

Try these next:

• Keto Cheesy Taco Ground Beef Bake
• Keto Creamy Ground Beef Zucchini Skillet

New keto recipes are added every week — check back often for more low-carb inspiration!