Easy Green Bean Casserole

This is the holiday green bean casserole with the calorie load knocked down. The classic version uses full-fat mushroom soup and a heavy layer of fried onion strings. This swap-out uses low-fat cream of mushroom, nonfat sour cream, and an Italian breadcrumb-Parmesan topping that delivers the crunch without the extra fat.

French-style green beans matter. They’re the thinly julienne-cut variety and they bake up tender without going to mush in the long oven time. Regular cut beans turn rubbery during the 50-minute bake.

The sour cream is the underrated ingredient. It thickens the sauce and adds tang that cuts through the rich mushroom soup. Without it the casserole tastes flat and one-note. Even nonfat sour cream pulls this weight.

Fifty minutes at 350°F (175°C) is the right window for the casserole to hit the right consistency. The top should be deep golden brown and the edges bubbling when you pull it. The breadcrumb-Parmesan crust crisps into a savory cap.

Kitchen Tips

• Drain the thawed beans thoroughly. Excess water dilutes the sauce and slows the bake.
• Use sharp aged Parmesan if possible. Pre-grated fat-free works in a pinch but loses depth.
• A pinch of garlic powder or onion powder in the bean mixture adds another flavor layer without breaking the easy recipe.
• Cover with foil for the first 30 minutes if the top browns too fast.

Variations

• Add a handful of crispy fried onions on top in the last 5 minutes for the classic finish.
• Stir in 4 ounces of sauteed sliced mushrooms for more pronounced mushroom flavor.
• Use shredded sharp cheddar instead of Parmesan in the topping for a richer, Americana feel.