My Grandma's Broccoli au Gratin Is the Comfort Food I Can't Live Without — and the Recipe Came from a Box (2024)

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This easy baked broccoli and cheese casserole tastes like a hug from Grandma.

ByNick DeSimone

Published on April 15, 2022

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My grandma is an astonishingly talented Italian cook; her red sauce is what dreams are made of. And while I grew up spoiled rotten with every Southern Italian dish imaginable lovingly made for family dinners, my grandma also had a few decisively American recipes kicking around her recipe box.

Like many other women in America of her generation, my grandmother was a working mom in the 1970s. Some of the classic Italian recipes like an all-day red sauce or homemade pasta just weren't in the cards on a weeknight when dinner needed to be on the table fast.

With the advent of microwave cooking and entire dinners out of a box, more and more brands featured recipes on the backs of packages, and these semi-homemade recipes debuted on dinner tables across the country. One such recipe, my grandma's broccoli au gratin, has had a starring role in family dinners throughout my childhood and still today. I'm not sure exactly where she found this recipe; she says she doesn't remember, as she's been making it since my 50-something-year-old dad and aunt were in primary school. Yet, she's sure she initially cut it from a box or bag.

Grandma Bev's broccoli au gratin is a roux-based cheese sauce poured over broccoli and baked in the oven. But, to me, it's more than that — it's love. It's the dish I have requested birthday after birthday and every time I visited home from college. It's the dish my grandma brings to every Christmas dinner. It's the dish my grandma and I shared in silence at the dinner table the first week after my grandfather passed. Even now, after years of training as a professional cook, I still can't quite make it exactly as my grandma does, but honestly, I'm OK with that.

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Grandma Bev's Broccoli au Gratin

If you're familiar with making a cheese sauce for homemade mac and cheese, this procedure will look familiar to you but with one secret ingredient: cream cheese. The addition of even such a small amount makes the sauce impossibly velvety and coats the florets of broccoli beautifully. The one slight adjustment I make to my grandma's original recipe is the addition of a few splashes of hot sauce. It doesn't add any noticeable heat, but the acid and spice really round out the ultra-rich sauce.

Ingredients

Two heads of broccoli cut into bite-sized florets

6 tablespoons of butter, divided

4 tablespoons of flour

1 quart of milk

8 oz of your favorite Cheddar cheese, shredded

2 oz of cream cheese

Two or three shakes of your favorite hot sauce (I like a Louisiana style)

1/2c. Seasoned breadcrumbs

Salt and pepper to taste

Method

  1. Preheat the oven to 400 degrees.
  2. Bring a large pot of heavily salted water to a boil. Once boiling, drop the broccoli in for 2 minutes then strain. Briefly run broccoli under cold water for a few seconds to cool it down. Set aside in the strainer.
  3. In a large, heavy-bottomed saucepan, melt 4 tbsp. butter. Once butter is melted, whisk in the flour, sprinkling it evenly over the pan. Whisk together to form a roux and cook for 4-5 minutes until the roux is slightly darkened.
  4. Carefully pour in about ⅓ of the milk whisking vigorously to prevent lumps. The mixture will thicken to a paste-like consistency. Add in the rest of the milk little by little, whisking in between each addition to avoid lumps. Once all the milk is incorporated, season liberally with salt and pepper, then add the Cheddar, cream cheese, and hot sauce whisking to combine.
  5. Simmer until all the cheese has melted, whisking occasionally to prevent sticking.
  6. Taste the sauce; it should be runnier and saltier than it feels like it should be. The sauce will thicken as it cooks and also provide salt to the broccoli.
  7. Make sure broccoli is dry; spread it out in a glass baking dish. Carefully pour cheese sauce over the broccoli, ensuring all the florets are coated. Top with breadcrumbs and the remaining 2 tbsp. of butter, broken up into tiny pieces, dotted over the top.
  8. Cover with foil and bake for 20 minutes, then uncover and bake for another 10 minutes until everything is brown, bubbly, and delicious.

Related:

  • Grandma's Best Casserole Recipes
  • Our Best Grandma-Approved Recipes of All Time
  • Grandma-Approved Recipes That Deserve a Comeback

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My Grandma's Broccoli au Gratin Is the Comfort Food I Can't Live Without — and the Recipe Came from a Box (2024)

FAQs

What's the difference between scalloped and au gratin? ›

Au Gratin potatoes contain cheese, whereas Scalloped Potatoes do not. Scalloped potatoes typically contain cream but can also contain flavorful stock instead of dairy. Try our Classic Au Gratin Potatoes Recipe or Classic Scalloped Potatoes Recipe.

What does au gratin stand for? ›

The phrase au gratin literally means "by grating" in French, or "with a crust," from the verb gratter, "to scrape, scratch, or grate." Definitions of au gratin. adjective.

Can you freeze broccoli gratin? ›

Broccoli Cheese Bake Storage Instructions

To store, place into the fridge for up to 5 days and in the freezer for up to 6 months, both held in an airtight container. Thaw in the refrigerator overnight before reheating.

What makes a dish a gratin? ›

Gratin (French: [ɡʁatɛ̃]) is a culinary technique in which an ingredient is topped with a browned crust, often using breadcrumbs, grated cheese, egg or butter. The term may be applied to any dish made using this method. Gratin is usually prepared in a shallow dish of some kind.

Why is my au gratin watery? ›

If you stored the sliced potatoes in water to prevent discoloring, but didn't drain them well and pat them dry before adding them to the baking dish, you may have added extra water to the dish. You could have also used the wrong kind of potato, as some waxy potatoes can release more water than starchier potatoes.

What is the difference between au gratin and casserole? ›

Both are baked in the oven, but a gratin is a special form of a casserole. When cooking it, you will layer the ingredients instead of just adding them all together. In most cases, a gratin is also served as a side dish, not a main, and it has a signature crust that has to be, well, gratinated.

What do you use an au gratin dish for? ›

The Au Gratin dish is typically used for making gratins, roasting, and baking.

How deep is an au gratin dish? ›

It can be round, oval or rectangular, and most commonly it is about an inch and a half deep.

Why is my broccoli soggy after freezing? ›

This is because broccoli is mostly water; when it's frozen, the water turns to ice, and the crystals expand. When the crystals melt slowly, the water seeps into the vegetable, creating a soggy mess.

Is it better to freeze broccoli raw or cooked? ›

Broccoli — florets and stems — must be blanched for effective freezing. If you freeze it raw, you'll wind up with bitter, drab green, shriveled stems. Blanching preserves the bright green color and tasty flavor. You can either blanch in boiling water for three minutes or steam for five minutes.

Is it better to use fresh or frozen broccoli for casserole? ›

Fresh vegetables contain less water

Frozen vegetables release moisture as they cook and when they're used in a casserole that moisture has nowhere to go but into your dish. If you want your casserole to have the best texture, it's best to use fresh vegetables.

Why did my au gratin curdle? ›

But it can be frustrating when the creamy sauce and cheese separate or look curdled. The good news is that the dish tastes just fine, even when it looks a little strange. The curdling is caused by high heat, which is hard to avoid in an oven. So to keep the sauce together, tackle it before the dish goes in the oven.

Does gratin always have cheese? ›

So here's what we know: A gratin is always baked and/or broiled in a shallow dish. The topping is traditionally cheese or breadcrumbs, and they should get crispy under the broiler.

What does a gratin dish look like? ›

A gratin dish is typically shallow and oval-shaped, with handles on each side for easy transport from the oven to the table. But it isn't your only option: "Even though a classic gratin dish is beautiful and useful, you can make a gratin in pretty much any dish that is ovenproof, such as glass, enamel, or earthenware.

Are scalloped potatoes the same as au gratin potatoes? ›

"Scalloped potatoes are made with a flour-butter-milk roux, whereas au gratin potatoes are made with cream, butter and cheese, which are my personal favorite," explains William Muzio, the corporate executive chef with Lessing's Hospitality Group.

Why do they call them scalloped potatoes? ›

While the precise origin is unknown, the name for scalloped potatoes is said to derive from an English word, collop, which means to slice thinly. On the other hand, historians have said the name comes from the type of dish it is served in such as the original, oysters with breadcrumbs.

What makes a food scalloped? ›

To “scallop”, or “escallop” is from the Old French escalope and has the meaning “to bake (food cut into pieces) in a sauce or other liquid, often with crumbs on top” or “to bake with milk or a sauce”.

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