"You've never had cauliflower like this before...."
INGREDIENTS
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3 tablespoons unsalted butter
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1 onion, sliced
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1 1/4 cup chicken broth
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1 teaspoon dried parsley
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1/2 teaspoon dried oregano
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1 1/2 teaspoons fresh thyme
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1/2 teaspoon black pepper, plus extra for cauliflower
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1 teaspoon garlic powder
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1/2 teaspoon onion powder
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1/2 teaspoon dried onion flakes
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1 teaspoon salt, plus extra for cauliflower
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2 teaspoons Worcestershire sauce
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1 cup sour cream
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8 oz shredded Gruyere cheese, divided
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2 heads cauliflower, cut into florets