Irresistible Sugar-Free Thin Mint Donuts

These irresistible sugar-free thin mint donuts turn the familiar chocolate-and-peppermint pairing into a soft baked breakfast treat with a glossy dark chocolate finish. The crumb is rich but not heavy, the mint is cool without tasting medicinal, and every donut gets a generous dip of glaze. Because they are baked in a donut pan instead of fried, they are simple enough for a weekend bake yet polished enough for a dessert tray.

No added sugar · Low carb · Baked
Prep: 20 minutes · Bake: 16–18 minutes · Serves: 12

The key to successful sugar-free thin mint donuts is balance. Cocoa gives the batter depth, peppermint keeps the flavor bright, and Greek yogurt prevents the almond-flour crumb from drying out. The glaze sets firmly enough to handle while staying smooth when you bite into it. If you enjoy layered chocolate desserts too, try my sugar-free white German chocolate layer cake, or keep things fresh and citrusy with this sugar-free lemon poke cake.

Unlike fried bakery donuts, these sugar-free thin mint donuts are mixed in two bowls and bake as one tidy batch. That makes them practical when you want a reliable chocolate treat without managing hot oil.

Why You’ll Love These Chocolate Mint Donuts

• Baked, not fried: a 12-cavity donut pan creates an even shape without a pot of oil.
• Deep chocolate flavor: natural cocoa and dark chocolate glaze build two distinct chocolate layers.
• Cool peppermint finish: mint is added to both batter and glaze for a clear, even flavor.
• Low-carb ingredients: almond flour, oat fiber, whey isolate, and low-glycemic sweeteners replace conventional flour and sugar.
• Make-ahead friendly: the finished donuts keep well in the refrigerator for up to four days.

Ingredients and Equipment

You will need a standard dark nonstick 12-cavity donut pan, two mixing bowls, a whisk, a silicone spatula, and either a piping bag or a sturdy zip-top bag with one corner trimmed. A piping bag gives the cleanest rings and helps every cavity receive the same amount of batter.

Chocolate Mint Donut Batter — Dry

• 1¼ cups almond flour — Bob’s Red Mill
• ¼ cup oat fiber — Anthony’s
• ⅓ cup natural cocoa — Hershey’s
• 2 tablespoons unflavored whey protein isolate — Isopure
• ⅓ cup granular monk fruit — Lakanto
• 2 teaspoons baking powder — Rumford
• ¼ teaspoon fine salt

Chocolate Mint Donut Batter — Wet

• 3 large eggs, room temperature
• 2 tablespoons unsalted butter, melted and cooled — Kerrygold
• ½ cup 0% Greek yogurt — Fage
• ⅓ cup unsweetened almond milk — Silk
• ½ teaspoon water-based peppermint extract
• 1 teaspoon pure vanilla powder

Dark Chocolate Mint Glaze

• ½ cup sugar-free dark chocolate chips — Lily’s
• 1½ teaspoons refined coconut oil
• 1 tablespoon powdered allulose — Wholesome
• ¼ teaspoon water-based peppermint extract

Ingredient note: sweeteners and chocolate chips vary by brand, so check every label for added sugar and calculate nutrition with the exact products you use. The FDA explains how added sugars appear on the Nutrition Facts label. This recipe was independently developed and is not affiliated with or endorsed by Girl Scouts of the USA.

How to Make Sugar-Free Thin Mint Donuts

1. Prepare the Pan and Dry Mixture

Heat the oven to 350°F (175°C). Grease all 12 cavities of the donut pan carefully, including around the center posts. In a medium bowl, whisk almond flour, oat fiber, cocoa, whey protein isolate, monk fruit, baking powder, and salt. Break up every cocoa or almond-flour lump now; once wet ingredients are added, aggressive mixing can make the donuts dense.

2. Mix the Wet Ingredients

In a second bowl, beat the eggs and monk fruit for about two minutes, until slightly thickened and lighter. Mix in the cooled melted butter, Greek yogurt, almond milk, peppermint extract, and vanilla. The mixture should look smooth and evenly blended. Room-temperature eggs and yogurt help the butter stay emulsified instead of forming small solid pieces.

3. Fold and Pipe the Batter

Add the dry ingredients to the wet ingredients and fold only until the last dry streak disappears. The batter will be thicker than conventional cake batter but should still pipe smoothly. Transfer it to a piping bag and distribute it evenly among the 12 cavities. Aim for about two-thirds full so the sugar-free thin mint donuts rise without closing their center holes.

4. Bake Until Just Set

Bake for 16–18 minutes. Start checking at minute 16 because almond-flour bakes can move quickly from moist to dry. A toothpick should come out with moist crumbs but no wet batter, and the tops should spring back gently. Let the donuts cool in the pan for 8–10 minutes, then loosen them carefully and move them to a rack. They must be completely cool before glazing.

5. Make the Dark Chocolate Mint Glaze

Melt the sugar-free dark chocolate chips with refined coconut oil in short, gentle bursts, stirring between each one. Stop heating as soon as the mixture is smooth. Let it cool for two minutes, then stir in powdered allulose and peppermint extract. The glaze should be fluid enough for dipping but thick enough to cling to the top of each donut.

6. Dip Generously and Let Set

Hold one cooled donut by the sides and dip its top fully into the glaze. Lift it slowly, allow the excess to settle, and place it glaze-side up on parchment. A slight drip down the edge is exactly right. Repeat with all 12 sugar-free thin mint donuts, then let the glaze set for about 15 minutes before serving.

Chef Danny’s Success Tips

• Use the same pan for the full batch. Pan color, metal thickness, and cavity volume affect baking time.
• Spoon and level dry ingredients. Packing almond flour or oat fiber into the cup can create a dry crumb.
• Measure peppermint carefully. A little extra can overpower cocoa quickly. Start with the stated amount.
• Do not overmix. Fold just until uniform to preserve a tender texture.
• Cool completely. Warm donuts melt the glaze and prevent a thick coating from setting.
• Use refined coconut oil. It helps the glaze set without adding a coconut aroma.

Serving and Storage

Serve these donuts at room temperature for the softest crumb and clearest peppermint aroma. For a firmer, candy-like glaze, chill them for 15–20 minutes. They pair especially well with unsweetened coffee, black tea, or cold almond milk.

For a party tray, arrange the sugar-free thin mint donuts in a single layer so the shiny coating stays intact. Their dark finish looks elegant without sprinkles or extra decoration.

Store glazed donuts in a single layer in an airtight container in the refrigerator for up to four days. Place parchment between layers only if stacking is unavoidable. Let chilled donuts stand at room temperature for 10 minutes before eating. For longer storage, freeze unglazed donuts for up to one month, thaw them fully, and glaze after thawing.

Frequently Asked Questions

Can I use a silicone donut pan?

Yes, but silicone may need a few extra minutes and usually produces softer, less browned edges. Place the silicone pan on a metal sheet pan before filling so it stays level. Check the sugar-free thin mint donuts frequently near the end of baking.

Can I replace oat fiber with oat flour?

No. Oat fiber and oat flour behave differently. Oat fiber is highly absorbent and contributes structure with very few digestible carbohydrates; replacing it one-for-one with oat flour changes both texture and nutrition.

Why did my donuts turn out dry?

The most common causes are too much almond flour or oat fiber, overbaking, or a donut pan with smaller cavities. Weighing ingredients is ideal, and checking at minute 16 protects the moist crumb of sugar-free thin mint donuts.

Can I make the sugar-free thin mint donuts without whey isolate?

Whey helps the baked rings hold their shape and improves the cake-like texture. A different protein powder may absorb liquid differently, so a direct swap can require testing. For the most reliable result, use unflavored whey protein isolate.

Are these donuts suitable for everyone managing blood sugar?

Individual responses vary, and “sugar-free” does not mean carbohydrate-free. Review every ingredient label and speak with a qualified healthcare professional about your personal needs. Nutrition values here are estimates, not medical advice.

Nutrition is an estimate calculated from typical ingredient values. Brands, serving size, and substitutions can change the final numbers.