Birthday coffee cake is a classic dessert that is perfect for any occasion, but it is especially delicious on a birthday morning. This coffee cake is moist and flavorful, with a rich coffee crumb topping. It is also easy to make, so you can spend less time in the kitchen and more time celebrating with your loved ones.

Ingredients:

• 2 1/4 cups all-purpose flour
• 1 1/2 teaspoons baking powder
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1 teaspoon ground cinnamon
• 1/2 teaspoon ground nutmeg
• 1/4 cup unsalted butter, softened
• 1 1/2 cups granulated sugar
• 2 large eggs
• 1 teaspoon vanilla extract
• 1 cup sour cream
• 1/2 cup milk
• 1/4 cup brewed coffee

For the crumb topping:

• 1/2 cup all-purpose flour
• 1/4 cup brown sugar
• 1/4 cup granulated sugar
• 1/4 teaspoon ground cinnamon
• 1/4 cup unsalted butter, melted

Instructions:

1. Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 9×13 inch baking pan.
2. In a medium bowl, whisk together the flour, baking powder, baking soda, salt, cinnamon, and nutmeg.
3. In a large bowl, cream together the butter and granulated sugar until light and fluffy. Beat in the eggs one at a time, then stir in the vanilla.
4. Add the sour cream, milk, and coffee to the wet ingredients and mix until just combined.
5. Gradually add the dry ingredients to the wet ingredients and mix until just combined.
6. Pour the batter into the prepared baking pan.

To make the crumb topping:

1. In a small bowl, combine the flour, brown sugar, granulated sugar, and cinnamon.
2. Cut in the melted butter until the mixture resembles coarse crumbs.
3. Sprinkle the crumb topping over the batter in the baking pan.
4. Bake for 30-35 minutes, or until a toothpick inserted into the center comes out clean.
5. Let the coffee cake cool completely before frosting.

Optional frosting:

• 1 cup powdered sugar
• 1/4 cup unsalted butter, softened
• 1/4 cup milk
• 1 teaspoon vanilla extract

To make the frosting:

1. In a medium bowl, cream together the powdered sugar and butter until light and fluffy.
2. Beat in the milk and vanilla extract until smooth.
3. Frost the cooled coffee cake and enjoy!

Tips:

• For a richer flavor, use dark brown sugar in the crumb topping.
• To make the coffee cake ahead of time, bake it according to the instructions and then let it cool completely. Store the coffee cake in an airtight container at room temperature for up to 3 days. Before serving, frost the coffee cake and let it come to room temperature.
• To make the coffee cake extra moist, add 1/2 cup of chopped nuts or chocolate chips to the batter.
• For a fun and festive twist, try sprinkling the crumb topping with chopped candy or sprinkles.

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