Where can you celebrate National Doughnut Day in Austin? Check out these donut shops.

Friday is one of the sweetest days of the year: National Doughnut Day.

The celebration has come around every first Friday of June ever since 1938, when Chicago's Salvation Army held a fundraiser inspired by doughnut-serving World War I volunteers. This fundraiser looked to raise money for Great Depression aid.

If you're looking to celebrate National Doughnut Day in Austin, check out one of these spots:

Voodoo Doughnuts

It's hard to talk about Austin doughnuts without mentioning Voodoo, with one location on the iconic East 6th Street and a newer location at Burnet Road. In celebration of the special day, Voodoo will offer raised glazed dozens for $10.

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(212 E 6th St. and 5408 Burnet Road)

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Gourdough's Big Fat Donuts

For a delicious doughnut of devilish proportions, check out one of the Gourdough's food trucks. Offerings include the Black Out Donut, which features brownie batter, chocolate fudge icing and chocolate brownie bites, and the Funky Monkey Donut, which boasts grilled bananas, cream cheese icing and brown sugar.

(1503 S 1st St. and 10700 Menchaca Road)

Round Rock Donuts

This favorite spot is home to the famous Texas Sized Donut. They also have a variety of doughnuts in regular sizes, and the store has two locations: one in Round Rock, and a newer one in Cedar Park.

(106 W Liberty Ave. and 1614 E Whitestone Blvd.)

The Salty Donut

Located on Congress, The Salty Donut features a bunch of fun flavors, including horchata, Texas chocolate sheet cake, churro and dulce de leche, brown butter and salt, cookie butter and ube pina colada.

(2000 S Congress Ave.)

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Monster Donuts

This Leander spot offers all the classics, from glazed to blueberry cake to cinnamon sugar. Some of the treats come with cute, kid-friendly designs, such as a gummy worm-topped chocolate glazed doughnut.

(1825 Crystal Falls Parkway)

Duck Donuts

Build-your-own and already-made doughnuts are available at Duck Donuts in Pflugerville. Flavors include maple bacon, blueberry pancake, peanut butter paradise, s'mores and beach ball, which has vanilla icing with rainbow sprinkles and chocolate drizzle.

(18616 Limestone Commercial Drive)

Mochinut

For a twist on traditional doughnuts, visit Mochinut for mochi doughnuts. They come in flavors such as funnel cake, matcha, taro churro and pineapple dragon fruit.

(1700 W Parmer Lane Suite 100)