Blueberry lemon loaf is one of those recipes I bake when I want the kitchen to smell like somewhere worth being. Two cups of blueberries, a full lemon’s worth of zest and juice, sour cream in the batter for moisture, a buttery crumble on top, and a lemon glaze drizzled over while the loaf is still warm. It’s a lot going on in one pan, and it all works together.
The recipe has three components: the loaf, the crumble, and the glaze. Each one takes about five minutes. The oven does the rest for sixty to eighty minutes, and the result is a loaf with a tender, moist crumb, a crunchy streusel top, and a tangy-sweet finish from the glaze. Worth making for brunch, worth making on a slow Saturday afternoon, worth making at any excuse.
The crumble, made first
Start the crumble before anything else, because it needs to go straight from your fingers into a bowl and sit while you make the batter. Half a cup of flour, a quarter cup of brown sugar, two tablespoons of granulated sugar, and three tablespoons of melted butter. Rub them together with your fingertips until the mixture is crumbly, with no dry patches of flour and no wet clumps of butter. It should hold together lightly when you squeeze a bit but fall apart when you drop it. Set it aside in the bowl.
Making the crumble first means it firms up slightly while the batter comes together, which gives you distinct, crunchy pieces on top of the loaf rather than a paste that sinks into the batter during baking.
The batter and why sour cream belongs in it
Preheat to 350 degrees Fahrenheit and line a nine-inch loaf tin with parchment.
Sour cream is the ingredient that separates a good quick bread from a great one. The fat adds moisture and the slight acidity reacts with the baking powder to give more lift and a more tender crumb than plain milk alone would give you. Half a cup of sour cream plus half a cup of milk is the liquid base here, and between them they keep the loaf soft for longer than a drier batter would.
Whisk the flour, baking powder, and salt together in one bowl and set it aside. Toss the blueberries in a quarter cup of flour in another bowl until fully coated and set aside. The flour coating slows the blueberries from sinking through the batter during the long bake, which is worth the extra thirty seconds.
In a large bowl, combine the sugar, lemon zest, oil, and lemon extract if you’re using it. The zest goes in with the oil and sugar rather than with the dry ingredients because rubbing zest into sugar releases the citrus oils more effectively than just mixing it in. Stir until combined, then add the egg and lemon juice and stir again.
Add the dry ingredients in thirds, stirring just until combined after each addition. Overmixed quick bread batter builds too much gluten and gives you a dense, tunneled loaf. Stir gently, stop when you don’t see dry flour, and fold in the milk and sour cream. Last in are the flour-coated blueberries, folded through with a few turns of a spatula.
The bake
Pour the batter into the prepared tin, smooth the top, and scatter the crumble evenly over the surface. Press it down very lightly so it adheres rather than falling off the sides when the loaf rises.
Bake for sixty to eighty minutes at 350. The wide window exists because blueberries add moisture and oven temperatures vary. Check at sixty minutes with a toothpick inserted into the center. If it comes out clean or with dry crumbs, the loaf is done. If it comes out wet, give it another ten minutes and check again. The crumble will be golden and slightly darker around the edges when the loaf is ready.
If the top is browning too fast before the center is set, tent loosely with aluminum foil and keep baking. The foil reflects heat without blocking it entirely, which lets the inside cook through without the top burning.
The glaze, timed correctly
Three tablespoons of lemon juice, one tablespoon of melted butter, and a cup of powdered sugar whisked together until smooth. The butter in the glaze is unusual but it gives it a slight richness and helps it set with a faint sheen rather than going completely matte and chalky the way a plain juice-and-sugar glaze can.
Wait until the loaf is completely cool before glazing. A warm loaf absorbs the glaze and it disappears. A cool loaf holds it on the surface where it sets into a thin, tangy shell over the crumble and the top of the bread. Let the glaze set for ten minutes before slicing, or it runs.
Lemon and blueberry as a pairing
I think about flavor pairings a lot, partly from years of eating across different food cultures and partly from the kind of curiosity that makes you taste things before you combine them. Lemon and blueberry are a pairing that almost never goes wrong because the acid of the lemon lifts the sweetness of the blueberry and makes both flavors more distinct than they would be alone. The blueberries in this loaf go almost jammy in the heat of the long bake, and the lemon in the batter and glaze runs through the whole thing like a thread. It’s a combination worth coming back to. Serves 6. Store wrapped at room temperature for two days or refrigerate for four.
Blueberry options
Fresh blueberries give the best texture, but frozen work too. Do not thaw them first; frozen blueberries added directly to the batter have less moisture to leak and hold their shape better during baking. The bake time may increase by five minutes with frozen berries. Wild blueberries, smaller and more intensely flavored than cultivated ones, are worth using if you can find them; they distribute more evenly through the crumb and give you a deeper blueberry flavor in every slice.
Blueberry Lemon Loaf
Description
A tender blueberry and lemon quick bread with sour cream for moisture, a buttery brown sugar crumble, and a tangy lemon glaze. Serves 6.
Ingredients
Instructions
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Make the crumble: rub together the flour, sugars, and melted butter with your fingertips until crumbly with no dry patches. Set aside.
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Preheat oven to 350 degrees Fahrenheit. Line and grease a 9-inch loaf tin.
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Whisk together the flour, baking powder, and salt in a bowl. Set aside. Toss the blueberries in 1/4 cup of flour until fully coated and set aside.
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In a large bowl, stir together the sugar, lemon zest, oil, and lemon extract until combined. Add the egg and lemon juice and stir well.
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Add the dry flour mixture to the wet ingredients in three additions, stirring just until combined after each. Do not overmix.
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Fold in the milk and sour cream until combined. Gently fold in the flour-coated blueberries.
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Pour the batter into the prepared tin and scatter the crumble evenly over the top. Bake for 60 to 80 minutes until a toothpick inserted in the center comes out clean. Tent with foil if the top browns too fast.
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Cool completely on a rack. Whisk together the lemon juice, melted butter, and powdered sugar for the glaze. Drizzle over the cooled loaf and let set for 10 minutes before slicing..
Nutrition Facts
Servings 6
- Amount Per Serving
- Calories 677kcal
- % Daily Value *
- Total Fat 30.29g47%
- Saturated Fat 9.467g48%
- Trans Fat 0.33g
- Cholesterol 130mg44%
- Sodium 290mg13%
- Potassium 390mg12%
- Total Carbohydrate 96.9g33%
- Dietary Fiber 2.6g11%
- Sugars 59.6g
- Protein 7.93g16%
- Vitamin A 424 IU
- Vitamin C 13.7 mg
- Calcium 153 mg
- Iron 1 mg
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.
Note
Do not glaze until the loaf is completely cool or the glaze will absorb into the bread. Toss blueberries in flour before folding in to help prevent sinking. Tent with foil if the top browns before the center is set.
