Donut and Fried Dough Guide: Yeast, Cake, and Fillings
Few things compare to the experience of eating a warm, freshly fried donut — crisp exterior giving way to a light, airy interior, finished with a glaze that shatters slightly when bitten. Donuts fall into two main categories: yeast-raised, which rely on yeast for their light, airy structure, and cake donuts, which use baking powder for a denser, more tender crumb. Both types require understanding of dough handling, frying technique, and finishing methods.
Yeast-Raised Donuts
Yeast-raised donuts are made with a soft, enriched dough that includes milk, eggs, butter, and sugar. The dough is similar to brioche but with a slightly leaner formula. The yeast produces carbon dioxide during proofing, creating the network of air bubbles that gives yeast donuts their characteristic light, airy texture.
The dough should be soft and slightly sticky. Knead until smooth and elastic, about eight to ten minutes by stand mixer or twelve to fifteen minutes by hand. The dough passes the windowpane test when a small piece stretches thin enough to see light through without tearing. Let the dough rise in a warm place until doubled, about one to two hours depending on the temperature.
Roll the dough to about 1/2 inch thickness and cut with a floured donut cutter. If you do not have a donut cutter, use a 3-inch round cutter for the outside and a 1-inch cutter for the hole. Reroll the scraps once — rerolling multiple times makes the dough tough. Place the cut donuts on floured parchment paper, cover loosely, and let them proof until doubled and puffy, about 30 to 45 minutes.
The second proof is critical. Underproofed donuts will be dense and heavy because the yeast has not produced enough gas. Overproofed donuts will collapse in the fryer or absorb excessive oil. The donuts are ready when they look pillowy, have doubled in size, and a fingerprint gently pressed into the side springs back slowly.
Cake Donuts
Cake donuts use baking powder or baking soda for leavening, producing a denser, more tender crumb than yeast donuts. They come together quickly with no rising time, making them ideal for when you want fresh donuts without the hours-long process of yeast dough. The key to tender cake donuts is minimal mixing — overmixing develops gluten and produces tough, rubbery donuts.
Combine the dry ingredients in one bowl and the wet ingredients in another. Stir the wet into the dry just until combined — a few lumps are fine. Turn the dough onto a floured surface and pat or gently roll to 1/2 inch thickness. Cut with a donut cutter and carefully transfer to a parchment-lined baking sheet. Gather the scraps, gently press together, and cut again.
Chill the cut cake donuts for 15 to 20 minutes before frying. This firms the dough and helps the donuts hold their shape when they hit the hot oil. Cake donuts are ready to fry immediately after cutting and chilling, with no proofing required.
Cake donuts absorb more fat than yeast donuts, so maintaining the correct oil temperature is even more critical. They cook faster than yeast donuts, typically 45 to 60 seconds per side, and are done when deeply golden brown.
Frying Temperature and Technique
Oil temperature is the single most critical factor in donut making. The ideal temperature is 350 to 365 degrees Fahrenheit. Below 340 degrees, the donuts absorb excessive oil and become greasy. Above 375 degrees, the outside burns before the inside cooks through. Use a deep-fry thermometer or an electric fryer with accurate temperature control.
The best oils for donut frying are neutral oils with high smoke points. Canola, vegetable, peanut, and sunflower oil all work well. Avoid olive oil and butter, which burn at frying temperatures. Fill your pot or fryer with enough oil to allow the donuts to float freely, typically three to four inches deep.
Lower the donuts gently into the oil to prevent splashing. Do not crowd the fryer — the oil temperature drops when you add too many donuts at once. Fry two to three donuts at a time depending on the size of your pot. The donuts will sink initially, then rise to the surface. Flip them when the bottom is deep golden brown, about 45 to 90 seconds depending on size.
Remove the donuts with a slotted spoon or spider and drain on a wire rack set over a baking sheet. Let them cool for just one to two minutes — glazes and coatings adhere best to warm, not hot, donuts. Glazing while too hot causes the glaze to run off; glazing while too cool causes poor adhesion.
Glazes and Coatings
The simplest glaze is a mixture of powdered sugar, milk, and vanilla. Whisk until smooth, adjusting the consistency with additional sugar or milk. The glaze should be thick enough to coat the back of a spoon but thin enough to drip slowly. Dip the warm donuts into the glaze, let the excess drip off, and set them on a rack to set.
Chocolate glaze adds cocoa powder to the basic glaze recipe. Use a combination of powdered sugar and cocoa powder for a rich chocolate flavor, or melt chocolate with cream for a more decadent ganache-style glaze. For a shiny, professional finish, add a small amount of corn syrup or butter to the glaze.
Sugar coatings are simpler than glazes. Toss warm donuts in granulated sugar, cinnamon sugar, or powdered sugar. For cinnamon sugar, mix one tablespoon of cinnamon with one cup of granulated sugar. For a more interesting texture, try coarse sugar like sanding sugar or turbinado.
Fillings
Filled donuts require injecting jam, custard, or cream into the center after frying. Use a piping bag fitted with a long, thin filling tip, such as a Bismarck tip. Insert the tip into the side or top of the donut and squeeze gently until the donut feels heavy and the filling starts to emerge from the hole. Fill donuts just before serving for the best texture.
Classic fillings include raspberry jam, vanilla pastry cream, lemon curd, and chocolate pudding. For Boston cream donuts, fill with vanilla pastry cream and top with chocolate glaze. For jelly donuts, use seedless jam or preserves — seeds can clog the filling tip.
For the best pastry cream filling, use the recipe from our custard and cream guide, which produces a silky, stable filling that pipes smoothly and holds its shape. Fruit fillings can be thickened with cornstarch to prevent them from being too runny.
Troubleshooting Common Problems
Greasy donuts result from oil that is not hot enough. The donuts sit in the oil longer, absorbing more fat before the structure sets. Check your oil temperature with a thermometer and adjust the heat between batches. Overcrowding the fryer also causes the oil temperature to drop.
Dense donuts can result from underproofing yeast donuts, overmixing cake donuts, or expired leavening agents. For yeast donuts, ensure adequate proofing time. For cake donuts, mix just until combined. Check the expiration dates on your baking powder, baking soda, and yeast.
Donuts that brown too quickly on the outside but remain raw inside indicate oil that is too hot. The exterior cooks and browns before the heat penetrates to the center. Lower your oil temperature and cook for a longer time.
Frequently Asked Questions
Can I bake donuts instead of frying? Baked donuts have a different texture — more like a muffin or cake than a traditional donut. The browning and crust that develop during frying cannot be replicated in an oven. Baked donuts are healthier but will not have the same flavor or texture. If baking, use a donut pan and bake at 350 degrees Fahrenheit for 10 to 12 minutes.
How long do homemade donuts stay fresh? Donuts are best eaten the day they are made, ideally within a few hours. Glazed donuts can be stored in an airtight container at room temperature for one day. Fillings can make the donuts soggy over time, so fill them as close to serving as possible.
Can I freeze donut dough? Yeast donut dough can be frozen after the first rise. Punch it down, wrap tightly, and freeze for up to one month. Thaw overnight in the refrigerator, then roll, cut, proof, and fry. Cake donut dough does not freeze well because the leavening loses potency.
What is the best way to reheat donuts? The microwave works for 10 to 15 seconds but can make donuts chewy. A better method is to reheat in a 350-degree oven for three to five minutes. For extra crispness, use a toaster oven. Never reheat filled donuts in the microwave, as the filling becomes dangerously hot.
Why did my donuts absorb too much oil? The oil was not hot enough, the dough was too wet, or the donuts were overproofed. Verify your oil temperature, ensure your dough hydration is correct, and do not let the donuts overproof. Properly fried donuts should not taste greasy.
The skills used for donut making overlap significantly with other baking techniques. The enriched yeast dough shares principles with our yeast baking guide, and the same attentiveness to temperature applies when working with laminated dough for puff pastry. The fillings and glazes that finish donuts draw directly from techniques covered in the custard and cream guide.