"Keto Spinach Casserole is absolutely spectacular! Creamy and rich, this makes a hearty side or vegetarian main...."
INGREDIENTS
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1 tablespoon olive oil
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1/2 cup finely chopped onion
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1 teaspoon minced garlic
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32 ounce frozen chopped spinach (thawed and squeezed dry)
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8 ounces cream cheese (cubed at room temperature)
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1 cup sour cream
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1 cup heavy cream
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1 1/2 cups shredded Gruyere
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1 teaspoon sea salt
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1/4 teaspoon fresh ground black pepper
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1 egg (beaten)
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1/2 cup grated parmesan