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Grandma’s Blueberry Streusel Coffeecake

The scent of warm blueberries and cinnamon still transports me back to Grandma Elsie’s kitchen. Sunlight streamed through the floral curtains as she pulled this coffeecake, golden and bubbling, from her ancient oven. I remember the pure joy of sneaking a warm, crumbly piece before anyone else, the sweet-tart blueberries bursting in my mouth. This recipe, clipped from a newspaper so many years ago, is more than just a cake; it’s a warm hug from Grandma.

Recipe Overview

Prep Time: 20 minutes
Cook Time: 50-60 minutes
Total Time: 1 hour 10 minutes – 1 hour 20 minutes
Servings: 8
Yield: 1 coffeecake
Dietary Type: Vegetarian

Ingredients

For the Streusel Topping:

½ cup sugar
⅓ cup flour
⅓ teaspoon salt
½ teaspoon cinnamon
4 tablespoons (½ stick) butter, cold and cut into small pieces

For the Cake:

2 cups flour
2 teaspoons baking powder
½ teaspoon salt
4 tablespoons (½ stick) butter, room temperature
¾ cup sugar
1 egg, room temperature
¾ cup milk
1 teaspoon vanilla extract
2 cups fresh blueberries

Equipment Needed

9- or 10-inch pie plate
Small bowl
Medium bowl
Large bowl
Fork
Sifter (optional)
Mixer (hand or stand mixer)
Measuring cups and spoons

Instructions

Begin by preheating your oven to 385 degrees Fahrenheit (195 degrees Celsius). While the oven is heating, grease a 9- or 10-inch pie plate thoroughly. This will prevent the coffeecake from sticking and ensure easy removal.
Prepare the streusel topping. In a small bowl, combine the sugar, flour, salt, and cinnamon. Cut in the cold butter using a fork or a pastry blender until the mixture resembles coarse crumbs. The key here is to keep the butter cold so that it doesn’t melt and create a paste. Set the streusel topping aside.
In a medium bowl, sift together the flour, baking powder, and salt. Sifting is optional but recommended for a lighter, more tender cake. If you don’t have a sifter, whisk the dry ingredients together thoroughly to ensure the baking powder is evenly distributed.
In a large bowl, cream together the room temperature butter and sugar until light and fluffy. This step is crucial for creating a light and airy cake. Use a hand mixer or a stand mixer fitted with the paddle attachment to achieve the desired consistency.
Add the room temperature egg, milk, and vanilla extract to the creamed butter and sugar. Beat until smooth and well combined. Make sure the egg is at room temperature to prevent the batter from curdling.
Gradually mix in the dry ingredients from the medium bowl into the wet ingredients in the large bowl. Be careful not to overmix; mix only until just combined. Overmixing can develop the gluten in the flour, resulting in a tough cake.
Gently fold in the fresh blueberries. Be careful not to crush the blueberries, as this can discolor the batter. Evenly distribute the blueberries throughout the batter.
Spread the cake mixture evenly into the prepared pie dish. Ensure that the batter is spread to the edges of the dish for even baking.
Sprinkle the streusel topping generously over the cake batter. Make sure the entire surface is covered with the crumbly mixture.
Bake in the preheated oven for 50-60 minutes, or until the cake is golden brown and a toothpick inserted into the center comes out clean. Begin checking for doneness at 50 minutes. Ovens can vary, so it’s essential to keep an eye on the cake to prevent it from overbaking. If the streusel topping starts to brown too quickly, you can tent the cake with foil during the last 15-20 minutes of baking.
Allow the coffeecake to cool in the pie plate for at least 20 minutes before slicing and serving. This allows the cake to set and makes it easier to cut.
Serve warm, if possible.

Expert Tips & Tricks

Room Temperature is Key: Ensure the butter and egg are at room temperature for a smoother batter and better incorporation. Take them out of the refrigerator about 30 minutes to an hour before you plan to bake.
Blueberry Burst: For an extra burst of blueberry flavor, toss the blueberries in a tablespoon of flour before folding them into the batter. This will also help prevent them from sinking to the bottom of the cake.
Streusel Perfection: If you want a richer streusel topping, consider adding a tablespoon of brown sugar to the mixture.
Preventing a Soggy Bottom: For a crispier bottom crust, place a baking sheet in the oven while it preheats and then place the pie plate on the hot baking sheet when you put the cake in to bake.

Serving & Storage Suggestions

This coffeecake is best served warm, either on its own or with a dollop of whipped cream or a scoop of vanilla ice cream. It also pairs perfectly with a cup of coffee or tea.

To store leftovers, wrap the coffeecake tightly in plastic wrap or store it in an airtight container at room temperature for up to 2 days. You can also refrigerate it for up to 4 days. To reheat, warm individual slices in the microwave for 15-20 seconds or in a preheated oven at 350 degrees Fahrenheit for 5-10 minutes. For longer storage, the coffeecake can be frozen for up to 2 months. Wrap it tightly in plastic wrap and then foil before freezing. Thaw overnight in the refrigerator before reheating.

Nutritional Information

Nutrient	Amount per Serving	% Daily Value
Calories	402 kcal	20%
Total Fat	13.5g	17%
Saturated Fat	8.1g	41%
Cholesterol	60mg	20%
Sodium	436mg	19%
Total Carbohydrate	66g	24%
Dietary Fiber	2g	7%
Sugars	35g	–
Protein	6g	12%

Note: Nutritional information is an estimate and may vary based on specific ingredients and serving sizes.

Variations & Substitutions

Gluten-Free: Substitute the all-purpose flour with a gluten-free all-purpose flour blend. Be sure to use a blend that contains xanthan gum for best results.
Dairy-Free: Replace the butter with a vegan butter alternative and use a non-dairy milk like almond, soy, or oat milk.
Seasonal Fruit: Instead of blueberries, try using other berries like raspberries, blackberries, or strawberries. You can also use sliced peaches, apples, or pears for a fall-inspired coffeecake.
Nutty Streusel: Add chopped nuts like pecans or walnuts to the streusel topping for added flavor and texture.
Lemon Zest: Add the zest of one lemon to the cake batter for a bright, citrusy flavor.

FAQs (Frequently Asked Questions)

Q: Can I use frozen blueberries instead of fresh?
A: Yes, you can use frozen blueberries. Do not thaw them before adding them to the batter. Toss them with a tablespoon of flour to prevent them from bleeding into the batter.

Q: My streusel topping sank into the cake. What did I do wrong?
A: This could be caused by the streusel topping being too wet or the cake batter being too thin. Make sure the butter in the streusel topping is cold and cut into small pieces. Also, avoid overmixing the cake batter.

Q: How do I know when the cake is done?
A: The cake is done when it’s golden brown and a toothpick inserted into the center comes out clean. If the top is browning too quickly, tent the cake with foil during the last 15-20 minutes of baking.

Q: Can I make this coffeecake ahead of time?
A: Yes, you can make the coffeecake a day ahead of time. Store it tightly wrapped at room temperature. You can also assemble the coffeecake and refrigerate it overnight before baking.

Q: My cake is dry. What can I do to prevent this?
A: Make sure you are not overbaking the cake. Also, ensure that your oven temperature is accurate. Adding a tablespoon of sour cream or yogurt to the batter can also help to keep the cake moist.

Final Thoughts

Grandma’s Blueberry Streusel Coffeecake is a timeless classic that’s perfect for any occasion. Whether you’re serving it for breakfast, brunch, or dessert, it’s sure to be a crowd-pleaser. I encourage you to try this recipe and create your own memories with it. Feel free to experiment with different variations and substitutions to make it your own. And please, share your feedback – I’d love to hear how it turns out! Perhaps you could serve it alongside a scoop of homemade vanilla ice cream and a steaming mug of Earl Grey tea. Happy baking!

Grandma’s Blueberry Streusel Coffeecake Recipe