25+ Low-Carb Halloween Recipes
Spooky Treats & Snacks

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Halloween food is one of those things you can have a lot of fun with. A few olive slices turn a snack into eyeballs, strips of dough become mummy bandages, and a little berry jam makes cookies look surprisingly gruesome.

I've gathered 25+ low-carb Halloween recipes here, from homemade candy and decorated cookies to savory snacks and a couple of dinner ideas. There are quick options for a small celebration at home, plus baking projects if you feel like spending a little longer in the kitchen.

For a party, I'd pick a savory snack, a batch of cookies or brownies, and one no-bake treat. You don't need to make everything! Check the individual recipes before shopping, especially for chocolate molds, sweeteners, and decorating ingredients. The jellies and chilled desserts also need setting time, so they're worth planning first.

Spooky Keto Chocolate Mug Cake

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A chocolate mug cake is a handy option when you want a Halloween dessert without baking a whole batch. This one gets a dark, spooky finish and cooks in the microwave. Choose it for a small celebration at home, with a little decorating to make it feel special.

Keto Pastry Snakes

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These crunchy pastry snakes are made with mozzarella and almond flour dough, brushed with butter, and sprinkled with sesame seeds. Serve them with mustard or sugar-free ketchup for dipping. The shapes can be a little wonky; they don't need to match to look good on a platter.

Keto Black Chocolate Hearts

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These dark chocolate hearts are a good choice if you'd rather make candy than bake cookies. The deep black color does most of the decorating for you. You'll need a heart-shaped mold for the pictured version, so check your equipment before adding them to your Halloween menu.

Spooky Keto Chocolate Chaffles

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Chocolate chaffles with a creamy vanilla topping make a fun Halloween breakfast or dessert. Use a mini waffle maker for the base, then pipe on a skeleton face once it has cooled. If piping isn't your thing, you can simply spread the topping with a spoon.

Keto Chocolate & Mint Cheesecake Mousse

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If you like mint chocolate, this creamy cheesecake mousse is an easy one to put on the list. It's a no-bake dessert with a dark marbled effect, so there's no need for detailed decorating. Allow time for chilling rather than leaving it until guests arrive.

Halloween Cheesecake Keto Brownies

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A green cheesecake layer gives these chocolate brownies their Halloween look. They're a useful choice when you want one dessert to cut into portions, rather than decorating lots of individual cookies. Put them on a platter with the black chocolate hearts for a mix of colors and textures.

Keto Sausage Mummies

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Little sausages wrapped in strips of mozzarella and almond flour dough, with mustard dots for eyes. These mummies use just four ingredients and give you something savory to serve alongside the sweets. The dough is egg-free, and the recipe also includes an alternative for anyone avoiding nuts.

Sugar-Free Sour Jelly Worms

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These sour jelly worms are for anyone who prefers chewy candy to chocolate. Serve them on their own or use a few to decorate a dessert. They need time to set, so read through the shaping method and make them before you start on the last-minute party food.

Creepy Eyeball Deviled Eggs

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Deviled eggs are an easy fit for a Halloween snack table, especially with an eyeball decoration on top. They're a good option when you want something savory without making dough or baking. Serve them alongside the pastry snakes or chorizo bites for a small appetizer platter.

Keto Oreo Cookies

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Dark chocolate cookies sandwich a creamy green filling in this homemade Oreo-style recipe. They already look the part for Halloween, so you can skip extra decorations. Choose these if you'd rather spend time making a sandwich cookie than piping faces or cutting out shapes.

Spooky Spiced Carrot Jellies

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Carrot and warming spices give these little jellies their flavor, while the bright orange color suits a Halloween table. The pumpkin shape comes from a mold, rather than careful decorating. They're a nice change from chocolate, but remember to allow time for the jelly to set.

Spooky Blackberry Jelly Bats

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These blackberry jelly bats add a fruity option to a plate of cookies and chocolates. A bat-shaped mold gives them their Halloween shape with very little decorating involved. Make room for them in the fridge before you start, and leave enough time for them to set fully.

Low-Carb Monster Fingers

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These are sweet cookies shaped into fingers, finished with almond nails and a little jam for a bloody effect. They're one of the more gruesome options here, in a good way. Uneven shapes and knobbly joints are part of the look, so there's no need for neat, identical fingers.

Low-Carb Black Heart Cupcakes

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The surprise in these dark cupcakes is the red berry jam inside. That contrast gives them a Halloween feel without covering them in candy decorations. They're worth a look if you enjoy a baking project and want something a little more dramatic than a plain chocolate cupcake.

Low-Carb Mascarpone Mousse with Blackberry and Star Anise Sauce

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Creamy mascarpone mousse with a blackberry and star anise sauce makes a dessert you can serve in individual glasses. The dark berry topping gives it a Halloween feel without any fiddly shapes. It's a good choice for a dinner party, especially if you'd prefer dessert to cookies or candy.

Spooky Chorizo Olive Eyeballs

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Pan-fried chorizo slices, cream cheese, and green and black olives make these little eyeballs. There's no dough to prepare; most of the work is in slicing and assembling. The salty, creamy combination makes a welcome savory option, and you can arrange them straight onto a serving platter.

Keto Monster Cookies

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A few candy eyes turn these cookies into little monsters. You can give each one a different expression, which makes decorating more fun than trying to get them all identical. The recipe uses a small amount of regular candy for the eyes, so check that detail if you're avoiding added sugar entirely.

Low-Carb Tahini Swirl Cookies

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The black-and-white swirls come from two types of tahini, giving these cookies a nutty sesame flavor. There's no chocolate in the dough. They're egg-free, and the recipe includes a sunflower seed option in place of almond flour. Choose these for a cookie that doesn't need frosting or candy eyes.

Spooky Eyeball Keto Cookies

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These eyeball cookies have more going on than a simple icing decoration: a cookie base, raspberry chia jam, creamy mascarpone, and seed butter details. Set aside a little time for assembly. They're a good choice when you want the decorated cookies to be the main feature on the table.

Low-Carb Black Widow Cocktail

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This blackberry and lime cocktail is the adults-only option in the roundup. It's made with vodka and a homemade berry syrup, with a dark color that suits Halloween. Prepare the syrup first so you can concentrate on mixing drinks when you're ready to serve them.

Spooky Ghost Low-Carb Pizza

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A Halloween pizza makes sense if you're feeding everyone dinner before the treats come out. The ghost decorations turn it into something seasonal without changing the whole meal. Serve it as the main dish, then pick one of the smaller sweets from the list for dessert.

Low-Carb Witch Hat Cookies

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These little witch hats are pumpkin-spiced cookies with a green glaze and an almond on top. Shaping them takes a little more time than making round cookies, but that's most of the decorating done. They're a good option if you'd like a Halloween bake with warm spice flavors.

Keto Chocolate Eyeballs

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Layers of dark, milk, and white chocolate create these eyeballs in a silicone cake pop mold. Add a little sugar-free berry jam just before serving for the bloody effect. The recipe includes melting tips for the different chocolates, which are worth reading before you start.

Keto Black Spaghetti Pasta Noodles

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These black noodles use shirataki and squid ink for a Halloween dinner with very little carbohydrate. Serve them with a red marinara or white cheese sauce to make the color stand out. They're an option for anyone who'd rather make a themed main meal than another sweet treat.

Keto Chocolate Covered Caramels

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Soft, chewy caramel covered in a crisp layer of chocolate makes a homemade alternative to Halloween candy. Use dark chocolate, white chocolate, or a mix of both. Allow time for the caramel to firm up before cutting and coating it, then serve alongside your decorated cookies and cupcakes.

Low-Carb Spiderweb Cupcakes

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Chocolate cupcakes with pumpkin spice cream cheese frosting and a chocolate spiderweb on top. The web is made by drawing a spiral, then pulling a toothpick through it, so you don't need to pipe every line separately. Let the cakes cool completely before adding the frosting and chocolate.