Every spring, when the dogwoods bloom and porch-sitting season officially begins, my family gathers for a sprawling Sunday brunch that stretches well past noon. Aunt Linda brings her famous bourbon-glazed ham, Cousin Marcus shows up with a cooler of mimosas, and I always—always—arrive with this shrimp-and-grits casserole tucked in a vintage Pyrex dish wrapped in a gingham towel. The first time I served it, my notoriously picky godmother took one bite, closed her eyes, and declared it “the taste of Charleston in one spoon.” That was eight years ago; the dish has been requested ever since.

What makes this version special is that it refuses to choose between convenience and soul. Traditional shrimp and grits must be timed to the second: grits can seize, shrimp can rubberize, and the whole production has to hit the table at once. Here, stone-ground grits are simmered with aged cheddar until they’re silky, folded with sweet Gulf shrimp, smoky Andouille, and a whisper of hot sauce, then baked into a custardy casserole that can be assembled up to 24 hours ahead. The texture lands somewhere between a spoonbread and a soufflé—creamy at the center, golden at the edges, with pops of pink seafood in every bite. It’s the kind of dish that lets you stay perched on the porch swing with a coffee cup in hand while everyone else thinks you’ve been slaving since dawn.

Why This Recipe Works

Make-ahead magic: Assemble completely, cover, and refrigerate overnight; bake straight from the fridge while the biscuits are rising.
Stone-ground grits: Their coarse texture prevents mushiness and lends a honest corn flavor that instant grits can’t fake.
Custard buffer: A light egg-and-cream custard holds everything together so the shrimp stay plump, never overcooked.
Smoky depth: A quick sauté of Andouille and the rendered fat becomes the flavor base for the entire dish—no extra pots.
Cheese strategy: Extra-sharp aged cheddar for funk, plus a whisper of cream cheese for silkiness without graininess.
Scalable: Doubles beautifully for a bridal-shower buffet or halves for a romantic Sunday at home.

Ingredients You'll Need

The beauty of this casserole lies in humble ingredients handled with intention. Seek out stone-ground grits from a mill if you can; their irregular granules hydrate slowly and release natural corn sweetness. If you’re land-locked, frozen wild-caught Gulf or Carolina shrimp will still trump fresh supermarket shrimp that have been thawed and sitting on ice. For the sausage, Andouille is traditional, but a smoky kielbasa works in a pinch. The cheddar should be aged at least 18 months—pre-shredded cellulose-coated cheese will give you a waxy melt, so grate it yourself. Finally, keep a bottle of Crystal hot sauce on the table; its vinegar-forward heat wakes everything up without overshadowing the sweet shellfish.

Shrimp note: Buy them shell-on, then peel and devein at home; the shells freeze beautifully for seafood stock. Medium shrimp (36–40 per pound) distribute evenly, but if you’re feeling indulgent, use large and halve them horizontally so every bite gets seafood.

How to Make Make-Ahead Shrimp and Grits Casserole for Southern Brunch

Brown the Andouille & Create the Base

Place a 10-inch cast-iron or heavy oven-safe skillet over medium heat. Dice 6 oz Andouille sausage into ¼-inch cubes and add to the dry pan. Sauté 5–6 minutes until the edges caramelize and the fat renders. Scoop out the sausage with a slotted spoon, leaving behind the spicy orange oil. Add 1 cup finely chopped yellow onion and ½ cup finely chopped celery to the drippings; cook 3 minutes until translucent. Stir in 1 minced garlic clove and ½ teaspoon kosher salt; cook 30 seconds. Pour the vegetables into a small bowl and reserve.

Simmer the Grits

In a heavy 3-quart saucepan bring 4 cups low-sodium chicken broth and 1 cup whole milk to a gentle boil. Whisk in 1 cup stone-ground grits slowly to prevent lumps. Reduce heat to low and cook 20–22 minutes, stirring often with a wooden spoon, until thick and the grains are tender with a slight bite. Off heat, fold in 2 tablespoons unsalted butter, 4 oz cream cheese cut into cubes, 1½ cups grated extra-sharp cheddar, ½ teaspoon smoked paprika, ¼ teaspoon cayenne, and ½ teaspoon freshly ground black pepper. The mixture should be loose but coat the spoon; if too thick, splash in a little warm broth.

Season the Shrimp

Pat 1½ pounds peeled, deveined medium shrimp very dry. Toss with ½ teaspoon kosher salt, ¼ teaspoon black pepper, ¼ teaspoon Old Bay, and a pinch of sugar (this helps them brown). Keep chilled until needed so they stay firm.

Build the Custard

In a 2-cup measure whisk 3 large eggs, 1 cup heavy cream, ½ cup sour cream, 2 teaspoons Dijon mustard, 1 teaspoon Crystal hot sauce, and ½ teaspoon Worcestershire until silky. This custard will insulate the shrimp so they bake to just-set perfection.

Combine & Fold

Scrape the grits into a large mixing bowl. Stir in the reserved sautéed vegetables and half of the browned Andouille. Gently fold in the seasoned shrimp along with 2 thinly sliced green onions. Pour the custard over the top and fold just until streaky—over-mixing will break up the shrimp.

Transfer to Buttered Dish

Butter a 9×13-inch ceramic or enameled baking dish. Spread the mixture evenly; the grits should jiggle like soft polenta. Sprinkle the remaining Andouille over the surface for crispy bits. Top with ½ cup extra cheddar if you desire a crustier lid.

Chill (Make-Ahead Magic)

Cool to room temperature, press plastic wrap directly on the surface, and refrigerate up to 24 hours. The flavors meld and the custard hydrates the grits so the casserole slices cleanly.

Bake & Serve

Preheat oven to 375 °F (190 °C). Remove plastic wrap, tent loosely with foil, and bake 25 minutes. Uncover and bake 15–20 minutes more until the center puffs and the internal temperature hits 165 °F. Broil 1–2 minutes for bronze blisters. Rest 10 minutes to set the custard. Garnish with sliced scallions, a dusting of smoked paprika, and serve hot with buttered biscuits and sliced tomatoes.

Expert Tips

Don’t skip the cream cheese

Its stabilizers keep the grits creamy even after refrigeration so the casserole won’t weep when sliced.

Use a clear dish

Glass lets you spy on the edges; when they turn chestnut brown, you’re seconds away from the perfect crust.

Go low-sodium broth

Cheddar and Andouille bring plenty of salt; starting low keeps the dish from tasting like a salt lick.

Shrimp curl test

If your shrimp curl into tight Os they’re overcooked; the custard protects them, but check at 155 °F just in case.

Add crunch

Toss ½ cup panko with 1 tablespoon melted butter and scatter on top for the final 10 minutes for an audible crunch.

Spice dial

Kids at the table? Omit cayenne in the grits and pass hot sauce on the side for the fire-eaters.

Variations to Try

Low-country luxe: Swap half the shrimp for lump crab meat folded in at the very end so it stays in sweet nuggets.
Creole kick: Stir 1 tablespoon tomato paste into the onions and replace cayenne with Creole seasoning for a ruddier hue and oregano perfume.
Vegetarian (but still decadent): Sub smoked mushrooms for sausage, vegetable broth for chicken, and fold in roasted red peppers for sweetness.
Breakfast-for-dinner: Stir in 1 cup shredded cooked collard greens and top each serving with a runny fried egg for a quick weeknight comfort supper.

Storage Tips

Refrigerator: Once baked, cool completely, cover tightly, and refrigerate up to 4 days. Reheat individual squares in the microwave at 70 % power for 1 minute with a damp paper towel, or warm the entire casserole at 325 °F for 20 minutes covered with foil.

Freezer: Wrap the unbaked casserole dish in a double layer of plastic and one of foil; freeze up to 2 months. Thaw overnight in the refrigerator, then bake as directed, adding 10 extra minutes.

Make-ahead brunch strategy: Assemble on Saturday afternoon, wash the dishes, set the coffee maker on a timer, and Sunday morning you can slide the dish into the oven before guests arrive. The scent of sizzling sausage and cheddar wafting through the house is better than any doorbell.

Frequently Asked Questions

You can, but reduce liquid by ½ cup and cook only 5–7 minutes. The texture will be softer and the corn flavor less pronounced; add a teaspoon of honey to compensate for lost sweetness.

Nope. Raw shrimp poach gently inside the custard and stay succulent. Just be sure they’re fully submerged so the tops don’t dry out.

Yes—use an 8-inch square pan and start checking for doneness at 30 minutes.

Chorizo, kielbasa, or even thick-cut bacon work. If you use bacon, reduce added salt elsewhere.

Naturally, yes—as long as your sausage and broth are certified GF. If adding panko, use gluten-free crumbs.

The center should jiggle like set Jell-O, not slosh like soup, and an instant-read thermometer should register 165 °F. Resting is crucial; it continues to cook and firms as it cools.

Make-Ahead Shrimp and Grits Casserole for Southern Brunch

Why This Recipe Works

Ingredients You'll Need