I love coffee cake and I love berries. Despite the fact that blackberries are far from my favorite berry, I'm going to try to make a coffeecake that incorporates them.
One of the things I dislike most about using fresh berries in baked goods is that the berries inevitably turn musty after a day or two - even sooner in the 100 degree heat of the Texas summers. You either have to eat the entire cake in a day - or throw half of it away by day two.
My strategy is for solving this issue is this: Instead of using fresh or frozen berries, I'm going to use some of the blackberry preserves that I made last week and marble it into the cake to produce what I hope will be a brilliant moist cake with a danish heart.
I started with a sour cream coffee cake recipe that usually turns out a moist, tangy cake that will hold up to loads of streusel topping and a dripping of pure vanilla drizzle. Sweet cake here would be just too much.
Instead of flavouring the topping with cinnamon, I used just a tiny bit of nutmeg and a dash of fine ground white pepper.
Then, I folded in some of the Blackberry preserves that I made last weekend. I probably used about five tablespoons in all.
After that, the streusel topping went on and it went in the oven. Baking took a bit longer because the preserves add a lot of moisture to the cake - and they're denser than straight fresh berries. But the result looked like it had worked.
After the cake cooled I added a drizzle of plain sugar icing and it was done.
So far, this has been a success. The cake is sweet and tangy, the topping is crunchy and the berry taste is really clear. The pepper in the topping was the right choice. It doesn't overpower the berries or detract from the buttery crunch of the topping.
Here is the recipe:
Preheat the oven to 350 degrees. Prepare either one 13" x 9" cake pans or two 8" squares or two 8" rounds with the standard butter and flour.
Make the streusel topping by combining:
5 Tbsps melted butter
2/3 cup light brown sugar
2/3 cup flour
1/4 tsp salt
1/8 tsp nutmeg
1/8 tsp ground white pepper
The topping should be crumbly and chunky. Set aside.
In a small bowl, mix and set aside:
1 3/4 cup of sour cream or plain yogurt (Don't use the non-fat variety of either.)
1 tsp vanilla
In a medium bowl combine and set aside:
2 cups all-purpose flour
1 tsp baking powder
1 tsp baking soda
1/2 tsp salt
In a large mixing bowl beat together:
1/2 stick butter
1 cup granulated sugar
When it's fluffy add:
2 large eggs
Add the flour mixture and the sour cream mixture alternately to the butter/egg mixture beginning and ending with the flour mixture. Blend just until the ingredients are thoroughly incorporated. The batter should be thick and slightly lumpy with air a few pockets or bubbles. Without over mixing you can add berries (cranberries are my favorite) or fruit here.
If you're using whole fruit, canned drained fruits work the best. Fresh fruits tend to turn musty and add too much liquid to the cake making soggy bits which can be . . . well, kind of gross.
Move the batter into the pan you chose for baking.
If you're using preserves, add them here and marble the preserves into the batter before you bake.
Top the cake with the streusel topping covering the cake completely.
Bake for about 35 minutes for two small pans or 45 to 50 minutes for the larger, single pan. use your best judgment here. I've always used the 'nose test' (when I can start smell it, it's almost done) or a toothpick for a cake tester.
I like to make a watery glaze from powdered sugar and water to put on the cake after it cools. This is strictly preference. If you want, you can eat it without, but it's already so laden with sugar that adding a little more hardly seems like it could make it would be the 'hair that broke the diet's back'.