Behold a shining pan of blueberry-crumb muffins just out of the oven — notice the crumb-topping continental drift over the blueberry-batter world oceans. And why are the oceans so blue, when commercial blueberry muffins are at most just lightly browned from baking? Well, because it’s December, I used frozen blueberries instead of fresh, and frozen berries will generally leak a lot of juice while thawing and when you’re mixing them into batter after thawing them. I also want to note that I used Trader Joe’s organic frozen “wild” blueberries, which are very tiny, but regular-sized blueberries are fine as well.
There are four kinds of muffins I make all the time — corn muffins are one of the others, and I’ll talk about the other two in some future blog entries, but, yes, today’s posting and recipe will be these blueberry (or other fruit) muffins with crumb topping.
During the summer I’ll make these with fresh fruit from the yard — blackberries or diced plums — but during the winter it’s likely to be frozen blueberries or olallieberries, or even fresh cranberries, as with these cranberry- crumb muffins I made two days ago.
I adapted this recipe from a Starbucks coffee cake recipe. I don’t even drink coffee, but I’m grateful to Starbucks for the base recipe, which when reincarnated as muffins is a bit lighter and fluffier than most muffins, and not overly sweet, even with the nicely-crunchy crumb topping. Here’s how it goes:
Blueberry-Crumb Muffins
Muffin batter ingredients
- 5 tablespoons butter
- 2 cups flour
- ½ cup sugar
- 1 tablespoon baking powder
- ½ teaspoon salt
- ½ teaspoon ground nutmeg
- 1 egg (I always use extra large)
- 1 cup milk
- Optional: 1 teaspoon grated lemon peel and/or lemon extract
- 1½ cup blueberries or other berries, fresh or thawed (or diced soft fruit like plums or peaches)
Crumb topping ingredients
- ½ cup flour
- ¼ cup brown sugar
- 1 teaspoon cinnamon
- 2 tablespoons butter
Instructions
Spoon the crumb topping evenly onto the cups of batter — about a heaping tablespoon for each muffin. In this picture I’m halfway through adding the topping — once again, the batter is this slate-blue color due to juice leakage from thawed frozen blueberries.
As with most baked goods, these are good cold, but incredible hot — the best time to eat them (or present them for breakfast in bed) is right after you take them out of the oven.
Here’s a last picture of them rising nice and high in the oven, and I will note that if you’ve heard of the “raisin bread” analogy for the expansion of the universe, well, that’s sort of what the crumb topping is doing here. :-)
January 11, 2014 update: buttermilk variation
I had gotten some buttermilk to make a chocolate birthday cake, and afterward used most of the rest of the quart to make a double-batch of buttermilk pancakes, but there was still a half cup left in the container, so when I made another batch of cranberry-crumb muffins this morning, I decided to experiment a litttle:
- Instead of using one cup of milk, I used the half cup of buttermilk and a half cup of milk.
- Due to the acidity of the buttermilk, I reduced the baking powder to 2 teaspoons, and added one teaspoon of baking soda.
First of all, the muffins rose exactly as high as usual — I didn’t take a new picture, because they looked just the same as the cranberry-crumb muffins in the second photo in this blog entry. They were very very tender, maybe a little more tangy in flavor, and actually a little more yellow inside — my son Sam remarked that they looked almost corn-muffin colored on the inside (which must be yet another baking chemical reaction, because despite the name buttermilk isn’t yellow). Anyway, they were very good and much appreciated — I guess I’ll do this again next time I make that chocolate cake. :-)
February 16, 2015 update: walnuts, more cinnamon, and vanilla
I just made another batch of the cranberry-crumb version, but with a few variations that I thought were really outstanding:
- I added a teaspoon of cinnamon and a teaspoon of vanilla to the batter instead of the optional lemon peel and lemon extract. I will also note the amount of cranberries I used — half a pound.
- I added a half cup of chopped walnuts to the batter, and I added another three tablespoons of them in with the crumb topping as I was chopping it up with the pastry blender.
I was already a big fan of this sort of crumb topping, but I thought the walnuts really improved it both in terms of adding extra depth and dimension to the flavor and making it even more crunchy, taking this batch all the way to “best cranberry muffins ever” status IMHO. I would say that I will definitely stick with the walnuts from now on, unless I’m making a batch for someone who dislikes nuts.
updated February 18, 2015
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