Name: Mardi Gras King Cake
Prep time: 30 min
Cook time: 30 min
Total time: 3 h
Cuisine: American
Ingredients: 2 1/4 teaspoons active dry yeast (1 packet); 1/4 cup warm water (110°F / 43°C); 1/2 cup whole milk, warmed; 1/4 cup granulated sugar; 1/3 cup unsalted butter, melted; 1 large egg, room temperature; 1 large egg yolk; 1 teaspoon vanilla extract; 1/2 teaspoon salt; 3 to 3 1/2 cups all-purpose flour; 2/3 cup light brown sugar; 1 1/2 teaspoons ground cinnamon; 1/4 cup unsalted butter, softened; 1 1/2 cups powdered sugar; 2 to 3 tablespoons milk; 1/2 teaspoon vanilla extract; 2 tablespoons purple sanding sugar; 2 tablespoons green sanding sugar; 2 tablespoons gold sanding sugar; 1 small plastic baby (optional)

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I make this Mardi Gras King Cake as a soft, sweet yeasted pastry swirled with cinnamon sugar and finished with a colorful sugar topping. It’s rich, festive, and perfect for celebrating Carnival season at home. Every time I bake it, the aroma alone makes the kitchen feel like a party.

Why You’ll Love This Recipe

I love how soft and tender this cake turns out every time. The dough is lightly sweet and buttery, and the cinnamon filling gives it that classic bakery-style flavor. I also enjoy decorating it with purple, green, and gold sugars because it instantly brings that authentic Mardi Gras look.

I find this recipe approachable even if I don’t bake with yeast often. The steps are simple, and the results always feel impressive. It’s perfect for gatherings, brunches, or just celebrating something special at home.

Ingredients

(Here’s a tip: Check out the full list of ingredients and measurements in the recipe card below.)

For the dough:
2 1/4 teaspoons active dry yeast (1 packet)
1/4 cup warm water (about 110°F / 43°C)
1/2 cup whole milk, warmed
1/4 cup granulated sugar
1/3 cup unsalted butter, melted
1 large egg, room temperature
1 large egg yolk
1 teaspoon vanilla extract
1/2 teaspoon salt
3 to 3 1/2 cups all-purpose flour

For the filling:
2/3 cup light brown sugar
1 1/2 teaspoons ground cinnamon
1/4 cup unsalted butter, softened

For the icing and decoration:
1 1/2 cups powdered sugar
2 to 3 tablespoons milk
1/2 teaspoon vanilla extract
Purple, green, and gold sanding sugar (about 2 tablespoons of each color)
1 small plastic baby (optional, for tradition)

Directions

I start by dissolving the yeast in the warm water and let it sit for about 5 minutes until it becomes foamy.
In a large bowl, I mix the warmed milk, sugar, melted butter, egg, egg yolk, and vanilla extract. I stir in the yeast mixture once it’s ready.
I add the salt and gradually mix in the flour, one cup at a time, until a soft dough forms. I knead the dough for about 8–10 minutes until it becomes smooth and elastic.
I place the dough in a lightly greased bowl, cover it, and let it rise in a warm spot for about 1 to 1 1/2 hours, or until it doubles in size.
After the dough rises, I punch it down and roll it out into a large rectangle, about 10×20 inches.
I spread the softened butter over the dough, then mix the brown sugar and cinnamon together and sprinkle it evenly on top.
I roll the dough tightly from the long side into a log, then shape it into a ring and pinch the ends together to seal. I transfer it to a parchment-lined baking sheet.
I cover the ring loosely and let it rise again for about 30–45 minutes.
I bake it in a preheated 350°F (175°C) oven for 25–30 minutes, until golden brown. Then I let it cool completely.
For the icing, I whisk together powdered sugar, milk, and vanilla until smooth. I drizzle it over the cooled cake and immediately sprinkle alternating sections of purple, green, and gold sugar. If I use the plastic baby, I gently insert it into the bottom of the cake after it cools.

Servings and Timing

Servings: I usually slice this cake into 10–12 servings.

Prep Time: About 30 minutes
Rise Time: About 2 hours total
Bake Time: 25–30 minutes
Total Time: Approximately 3 hours

Variations

I sometimes add a cream cheese filling by mixing 8 ounces of softened cream cheese with 1/4 cup sugar and spreading it over the dough before adding the cinnamon sugar.

I also like experimenting with flavored fillings such as praline pecan or even a thin layer of fruit preserves.

For a citrus twist, I add a teaspoon of lemon or orange zest to the dough to brighten the flavor.

Storage/Reheating

I store leftover King Cake tightly wrapped at room temperature for up to 2 days. For longer storage, I refrigerate it for up to 5 days.

When I want to serve it warm again, I microwave individual slices for about 10–15 seconds. I can also warm the whole cake in a 300°F oven for about 8–10 minutes.

FAQs

What is the significance of the plastic baby in King Cake?

I include the baby as a Mardi Gras tradition. I know that whoever finds it in their slice is said to have good luck and is often responsible for bringing the next King Cake.

Can I make the dough ahead of time?

I sometimes prepare the dough the night before and let it rise slowly in the refrigerator. I bring it to room temperature before shaping and baking.

Can I freeze King Cake?

I freeze it without the icing for best results. I wrap it tightly and freeze for up to 2 months. I thaw it completely and then add fresh icing and colored sugar.

What if I don’t have sanding sugar?

I make my own by mixing granulated sugar with a few drops of food coloring and letting it dry before sprinkling it on the cake.

How do I know when the dough is kneaded enough?

I check if the dough feels smooth and elastic. If I press it lightly with my finger and it springs back, I know it’s ready.

Conclusion

I love making Mardi Gras King Cake because it brings a festive spirit into my kitchen every time. The soft dough, sweet cinnamon filling, and colorful topping make it both beautiful and delicious. When I bake this cake, I feel like I’m bringing a little piece of Carnival celebration right to my table.