Ground beef meets Thai-inspired flavors like ginger and coconut for a cozy, low-carb twist. This casserole takes a whole head of green cabbage, cooks it down with browned beef, onion, and fresh ginger, then stirs in creamy coconut milk and a splash of coconut aminos. A layer of mozzarella on top melts into a golden crust in the oven.

It is filling, budget friendly, and made in one skillet plus one baking dish. There are no weird ingredients and no complicated steps. If you have been stuck in a keto dinner rut, this is a nice change from the usual cheeseburger casserole, and it reheats well for lunches all week.

Why This Keto Thai-Inspired Beef Cabbage Casserole Works

Cabbage takes the place of rice or noodles. When you cook it in the same skillet as the beef, it soaks up the fat and juices and turns soft and slightly sweet. Giving it 5 to 7 minutes on the stove before it goes into the oven means it bakes up tender instead of crunchy.

The Thai-inspired flavor comes from three simple things. Fresh ginger gives a warm, slightly spicy bite. Coconut milk makes the sauce creamy without any flour or cream. Coconut aminos or soy sauce adds salty, savory depth. Together they taste a lot like a mild coconut curry, and the mozzarella on top adds a gooey, comfort-food finish that ties it all together.

Ingredients and Easy Swaps

Ground beef. An 80/20 or 85/15 blend gives the best flavor. Ground pork or ground turkey also work well with ginger and coconut. Cook pork to 160°F and turkey to 165°F.

Green cabbage. One small head, about 2 pounds, shredded thin. A bag of plain coleslaw mix is a great shortcut and saves about 10 minutes of chopping. Napa cabbage works too, but it cooks faster, so cut the stovetop time to 3 or 4 minutes.

Coconut milk. Use full-fat canned coconut milk, not the coconut milk drink sold in cartons. Shake the can well before measuring. Heavy cream can stand in, but you will lose some of the coconut flavor.

Coconut aminos or soy sauce. Coconut aminos are a little sweeter and lower in sodium. Soy sauce is saltier, so go easy on the added salt if you use it. Tamari is a good gluten-free choice.

Ginger. Fresh grated ginger has the brightest flavor. Ground ginger is fine in a pinch. Use 1 teaspoon in place of the tablespoon of fresh.

How to Make It at a Glance

1. Heat the oven to 375°F and grease a 9×13-inch baking dish.
2. Brown the ground beef with the onion and ginger in a large skillet.
3. Stir in the cabbage and cook 5 to 7 minutes, until it starts to soften.
4. Add the coconut milk, coconut aminos, garlic powder, salt, and pepper and simmer a few minutes.
5. Spread it in the dish, top with mozzarella, and bake 25 to 30 minutes until bubbly and golden.
6. Garnish with sesame seeds or green onions.

Common Mistakes to Avoid

Not draining the beef. If there is a lot of fat in the skillet after browning, spoon most of it out before adding the cabbage. Too much fat makes the casserole greasy. Make sure the beef reaches 160°F.

Skipping the stovetop step for the cabbage. Raw cabbage releases a lot of water in the oven and can leave a soupy dish. Cooking it first lets some of that water cook off.

Using a crowded pan. A whole head of cabbage takes up a lot of room. Use your biggest skillet, or add the cabbage in two batches and let the first batch wilt before adding the rest.

Oversalting. Coconut aminos, soy sauce, and mozzarella all bring salt. Taste the filling before it goes in the dish and add salt only if it needs it.

Variations

Add some heat. Stir in 1 to 2 teaspoons of Thai red curry paste or a drizzle of sriracha with the coconut milk.

Peanut twist. Whisk 2 tablespoons of natural peanut butter into the coconut milk for a satay-style sauce.

Fresh finish. Top the baked casserole with chopped cilantro, a squeeze of lime, and the green onions.

Skip the cheese. For a dairy-free version, leave off the mozzarella and bake it covered with foil for 20 minutes instead.

What to Serve With It

This casserole is a full meal on its own, since it has both the protein and the vegetables. To keep it low carb, serve it with cauliflower rice, a simple cucumber salad with rice vinegar, or steamed green beans with a little sesame oil. If anyone at the table is not eating keto, a scoop of jasmine rice on the side works great.

Make Ahead, Storage, and Reheating

To make it ahead, cook the filling, spread it in the baking dish, and cover it tightly. Refrigerate up to 24 hours. Add the cheese right before baking and give it 5 to 10 extra minutes in the oven since it starts cold.

Leftovers keep in an airtight container in the fridge for 3 to 4 days. You can freeze portions for up to 2 months. The cabbage will be a little softer after thawing, but the flavor holds up well. Thaw overnight in the fridge.

Reheat covered with foil at 350°F for 15 to 20 minutes, or microwave single servings for 1 to 2 minutes until it reaches 165°F in the center.

Frequently Asked Questions

Is this casserole really keto?
Yes. Cabbage is one of the lowest-carb vegetables, and there is no rice, noodles, flour, or sugar. Most of the carbs come from the cabbage and onion.

Will it taste strongly of coconut?
No. The coconut milk adds creaminess and a light sweetness, but the ginger, beef, and coconut aminos are the main flavors.

Why is my casserole watery?
The cabbage probably needed more time on the stove. Cook it until it is soft and most of the liquid in the pan has cooked off before it goes in the dish.

Can I use a different cheese?
Yes. Monterey Jack melts just as well, and pepper jack adds a little heat that goes nicely with the ginger.