"Homemade made from scratch Green Bean Casserole will be a hit at your Thanksgiving dinner. The classic Green Bean Casserole got a makeover and is a way better version!..."
INGREDIENTS
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1 lb. Fresh Green Beans ((ends snapped off))
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8 Tablespoons Salted Butter ((divided))
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1 Large Onion ((chopped))
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8 ounces Sliced Mushrooms
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3 cloves Garlic ((minced))
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2 1/2 cups Half n Half
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1 teaspoon Salt
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1 teaspoon Pepper
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2 Tablespoons Flour or Cornstarch
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2 cups Fried Onions ((such as French's))
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1/2 cup Parmesan Cheese, grated ((optional))