Ingredients with Measurements:
- 2 cups all-purpose flour
- 1/2 teaspoon baking powder
- 1/2 teaspoon baking soda
- 1/2 teaspoon salt
- 1 cup (2 sticks) unsalted butter, at room temperature
- 1 cup granulated sugar
- 4 large eggs
- 2 teaspoons pure vanilla extract
- 1/2 cup sour cream
- 2 tablespoons confectioners' sugar

Special Equipment Needed:
- 9-inch springform pan
- Electric mixer
- Whisk
- Spatula

Step-by-Step Instructions:
1. Preheat oven to 350°F. Grease and flour a 9-inch springform pan.
2. In a medium bowl, whisk together the flour, baking powder, baking soda, and salt.
3. In the bowl of an electric mixer, cream the butter and sugar until light and fluffy, about 3 minutes.
4. Add the eggs, one at a time, beating well after each addition.
5. Add the vanilla and mix until combined.
6. Add the flour mixture in three batches, alternating with the sour cream, beginning and ending with the flour.
7. Pour the batter into the prepared pan and bake for 40-45 minutes, or until a toothpick inserted into the center comes out clean.
8. Let cool in the pan for 10 minutes, then remove from the pan and let cool completely on a wire rack.
9. Dust with confectioners' sugar before serving.

Time:
Preparation Time: 15 minutes
Cooking Time: 40-45 minutes
Temperature: 350°F
Serving Size: 8-10

Nutritional Information: N/A

Substitutions for Ingredients
- Unsalted butter can be substituted for salted butter.
- Greek yogurt can be substituted for sour cream.

Variations:
- Add 1/2 cup of chopped nuts or dried fruit to the batter.
- Add 1/2 cup of cocoa powder to the batter for a chocolate version.

Tips and Tricks:
- Make sure all ingredients are at room temperature before beginning.
- Grease and flour the pan thoroughly to ensure the cake will not stick.

Storage Instructions:
Store in an airtight container at room temperature for up to 5 days.

Reheating Instructions:
Reheat in a 350°F oven for 5-10 minutes.

Presentation Ideas:
- Serve with fresh berries and whipped cream.
- Dust with confectioners' sugar and top with a drizzle of melted chocolate.

Garnishes:
- Fresh berries
- Whipped cream
- Melted chocolate

Pairings:
- Coffee
- Tea
- Hot chocolate

Suggested Side Dishes:
- Ice cream
- Fruit salad
- Roasted vegetables

Troubleshooting Advice:
- If the cake is too dry, add a few tablespoons of milk to the batter.
- If the cake is too moist, bake for an additional 5 minutes.

Food Safety Advice:
- Make sure all ingredients are at room temperature before beginning.
- Store in an airtight container at room temperature.

Food History:
Napoleon cake is a classic French dessert that dates back to the 19th century. It is believed to have been created in honor of Napoleon Bonaparte.

Flavor Profiles:
This cake has a rich, buttery flavor with a hint of vanilla.

Serving Suggestions:
- Serve with fresh berries and whipped cream.
- Dust with confectioners' sugar and top with a drizzle of melted chocolate.

Related Categories

Cooking Method: N/A

Course Type: N/A

Dietary: N/A

Ingredient: N/A

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Occassion: N/A

Region: French

Taste: Sweet, Buttery, Creamy, Flaky, Rich