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Blueberry Zucchini Squares

I saw a bar recipe on a box of muffin mix using apple and lemon zest. I tried it from scratch with shredded zucchini and fresh blueberries instead. It’s a tasty combo. —Shelly Bevington, Hermiston, Oregon
  • Total Time
    Prep: 30 min. Bake: 30 min. + cooling
  • Makes
    2 dozen

Ingredients

  • 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

Directions

  • 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, 5-7 minutes. 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!
  • Nutrition Facts
    1 piece: 270 calories, 8g fat (5g saturated fat), 36mg cholesterol, 197mg sodium, 47g carbohydrate (33g sugars, 1g fiber), 3g protein.