2 cups shredded zucchini (do not pack)
1/2 cup buttermilk
1 tablespoon grated lemon zest
3 tablespoons lemon juice
1 cup butter, softened
2-1/2 cups sugar
2 large eggs, room temperature
3-1/4 cups plus 2 tablespoons all-purpose flour, divided
1 teaspoon baking soda
1/2 teaspoon salt
2 cups fresh or frozen blueberries
GLAZE:
2 cups confectioners’ sugar
1/4 cup buttermilk
1 tablespoon grated lemon zest
2 teaspoons lemon juice
1/8 teaspoon salt
Preheat oven to 350°. Grease a 15x10x1-in. baking pan.
In a small bowl, combine zucchini, buttermilk, lemon zest and lemon juice; toss to combine. In a large bowl, cream butter and sugar until light and fluffy. Beat in eggs, 1 at a time. In another bowl, whisk 3-1/4 cups flour, baking soda and salt; gradually add to creamed mixture alternately with zucchini mixture, mixing well after each addition. Toss blueberries with remaining flour; fold into batter.
Transfer batter to prepared pan, spreading evenly (pan will be full). Bake 30-35 minutes or until light golden brown and a toothpick inserted in center comes out clean. Cool completely in pan on a wire rack.
In a small bowl, mix glaze ingredients until smooth; spread over top. Let stand until set.
Test Kitchen Tips
- If you don’t have buttermilk in your fridge, make your own by mixing 1 to 2 tablespoons of lemon juice or vinegar into 1 cup of milk. Allow it to sit for 5-10 minutes.
- Line your pan with parchment paper for easy removal and cleanup!
Editor’s Note
If using frozen blueberries, use without thawing to avoid discoloring the
I’ve been looking for things to do with all the zucchini coming from my garden this year. This recipe was great, so simple and extremely moist. Because I was using a glass baking dish the edges were getting darker than the middle so 15 minutes into baking I reduced the oven temperature to 325 to allow it to bake more evenly. A lot of people on here said that they reduced the amount of sugar because they thought it would be too sweet; but I add the directed amount and I thought it was perfect ?? My only issue, which really isn’t an issue at all is they are calling it a square, but it is definitely more cake like which isn’t a bad thing. If you haven’t tried this recipe yet you should ??
made 08/01/2020 – very sweet – would reduce amount of sugar next time. Be sure to use the right size pan. I used the full half sheet pan.
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