Description
This cheesy Ground Beef Zucchini Casserole is a hearty, low-carb dinner packed with savory beef, tender zucchini, and melted mozzarella. It’s quick to prep, easy to bake, and perfect for busy weeknights or meal prep days.
Ingredients
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2 medium zucchini (about 2 lbs), sliced into ½″ rounds
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1 tbsp olive oil
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1 small onion, finely diced
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2 garlic cloves, minced
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1 lb lean ground beef
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2 tsp Italian seasoning
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½ tsp kosher salt (plus more for salting zucchini)
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½ tsp black pepper
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1 (28 oz) can diced tomatoes, drained
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2 cups shredded mozzarella cheese
Instructions
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Place zucchini slices in a colander, sprinkle with salt, toss, and let sit 15 minutes.
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Rinse and pat dry thoroughly.
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In a skillet, sauté onion in olive oil over medium-high heat for 2 minutes.
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Add garlic and ground beef. Cook until browned.
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Stir in tomatoes, seasoning, salt, and pepper. Remove from heat.
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Preheat oven to 350°F. In an 8×8 baking dish, layer half of the beef, zucchini, and cheese. Repeat layers.
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Bake for 20–25 minutes until cheese is golden.
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Let rest 10 minutes before serving.
Notes
Salting the zucchini helps prevent a watery casserole. For deeper layers, use an 8×8 pan. Assemble right before baking for best texture. Do not freeze.
Nutrition
- Serving Size: 1 slice
- Calories: 258 kcal
- Sugar: 3 g
- Carbohydrates: 5 g
- Protein: 26 g