"Keto Cheesy Baked Zucchini Casserole with sour cream. The best, easy keto vegetarian meal with only 6g net carb, egg free, gluten free..."
INGREDIENTS
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2 pounds Zucchini (4 large zucchini )
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1 teaspoon Salt
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2 tablespoons Butter (, melted or olive oil + 1 tablespoon to grease dish)
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2 oz Onion (, peeled, sliced )
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3 Garlic clove
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1/2 cup heavy cream
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1/2 cup sour cream
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1 cup Grated Parmesan (divided)
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1 cup Grated Mozzarella (divided (or old mature cheddar or Emmental))
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1 teaspoon Salt