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Costco’s Lemon Blueberry Loaf Is Going Viral, Here’s Anna Olson’s Version

glazed blueberry lemon loaf on a cutting board
Prep Time
20 min
Cook Time
1h 10 min
Yields
1 loaf

Here at Food Network Canada we love a good Costco haul, and one of the latest products that has sent the internet into a tizzy is their Kirkland Signature Lemon and Blueberry Loaf. Featuring a lemony batter layered with blueberries and topped with a buttery streusel that’s drizzled with lemon icing, it sells for around $10, depending on your province. If you’re eager to try the flavour combo but don’t have time to make a Costco trip, Anna Olson has got you covered with her version of the sweet and simple loaf. Anna’s take on the recipe doesn’t include a streusel topping, but you can easily add that on by following the streusel instructions from Anna’s Classic Blueberry Streusel Muffins and sprinkling it overtop before baking. We think Anna’s version of the recipe is even better than the viral sensation, if we do say so ourselves.

Related: 10 Best Costco Buys For Foodies This May

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ingredients

Cake

1
cup granulated sugar
Zest of 3 lemons
2
large eggs
½
cup half-and-half (10%) cream
cup vegetable oil
2
tsp vanilla extract
2
cups all-purpose flour
2
tsp baking powder
½
tsp salt
1
cup fresh blueberries

Lemon Icing

2
Tbsp lemon juice
1
cup icing sugar, sifted
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directions

Notes

The loaf will keep, well-wrapped on the counter for up to 4 days.

Step 1

Preheat the oven to 350ºF. Grease and flour a 8 ½ x 4 ½ -inch loaf tin and line the bottom and sides (just the long sides is fine) of the pan with parchment paper so that the paper comes over the sides.

Step 2

Measure the sugar into a large mixing bowl and finely zest the lemons into it, whisking to stir in the zest (this draws out the oils). Whisk in the eggs, followed by the cream, oil and vanilla.

Step 3

Sift the flour, baking powder and salt over the bowl and whisk until the batter is smooth. Gently stir in the blueberries and then pour this into the prepared pan and bake for 60-70 minutes, until a tester inserted in the centre of the cake comes out clean. Cool the cake for 20 minutes in the tin before removing to cool on a rack.

Step 4

For the icing, whisk the lemon juice into the icing sugar by hand until smooth and flowing. Pour this over the cooled loaf and let a little drip over the sides. The loaf can be sliced right away, but letting it sit for an hour allows the glaze to set up for tidier slicing.

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