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Butterscotch Zucchini Bars Recipe

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3.9 from 207 reviews

Delight in these moist and flavorful Butterscotch Zucchini Bars, a perfect combination of sweet, buttery butterscotch morsels and the subtle earthiness of grated zucchini. These bars are soft, moist, and easy to make, offering a delicious way to include vegetables in your dessert while satisfying your sweet tooth.

  • Total Time: 55 minutes
  • Yield: 12 to 16 bars

Ingredients

Wet Ingredients

  • 1 cup (227g) butter, room temperature
  • 1 3/4 cup (350g) brown sugar, packed
  • 2 large eggs, room temperature
  • 1 teaspoon vanilla extract

Dry Ingredients

  • 2 cups (250g) all-purpose flour
  • 1 teaspoon baking powder
  • 1/4 teaspoon salt

Add-ins

  • 1 1/2 cup finely grated and drained zucchini, packed
  • 1 1/2 cups butterscotch morsels (divided)

Instructions

  1. Preheat and Prepare Pan: Preheat your oven to 350°F (175°C). Prepare a 9×13 inch baking pan by spraying it with non-stick spray or using the butter and flour method to prevent sticking.
  2. Cream Butter and Sugar: In a large mixing bowl, combine the room temperature butter and packed brown sugar. Using a hand-held mixer, beat them together until the mixture becomes lighter in color and fluffy in texture.
  3. Add Eggs and Vanilla: Incorporate the eggs and vanilla extract into the creamed butter and sugar. Mix thoroughly for 1-2 minutes until fully combined, stopping to scrape down the sides of the bowl as needed to ensure even mixing.
  4. Combine Dry Ingredients: Add the all-purpose flour, baking powder, and salt to the wet mixture. Mix on medium-low speed until the ingredients are just combined, being careful not to overmix.
  5. Mix in Zucchini: Gently fold in the grated and drained zucchini on low speed. The batter should be runny; if it appears dry, let it rest for about 5 minutes to allow the zucchini to release moisture.
  6. Add Butterscotch Morsels: Stir in 1 cup of butterscotch morsels using a spatula to evenly distribute them throughout the batter.
  7. Pour Batter and Add Topping: Pour the batter into the prepared baking pan and spread it evenly. Sprinkle the remaining 1/2 cup of butterscotch morsels evenly over the top.
  8. Bake and Test Doneness: Place the pan in the preheated oven and bake for approximately 40 minutes. Check for doneness by inserting a toothpick in the center—it should come out with a few moist crumbs but no wet batter. The top and edges should appear dark and set.
  9. Cool and Serve: Allow the bars to cool completely in the pan before cutting into squares and serving.

Notes

  • Make sure to finely grate and thoroughly drain the zucchini to prevent excess moisture from making the bars soggy.
  • Using room temperature butter and eggs helps achieve a smooth, well-mixed batter.
  • If you do not have butterscotch morsels, butterscotch chips or chopped butterscotch candy can be used instead.
  • Letting the batter rest after adding zucchini allows it to absorb moisture, improving texture.
  • Store leftover bars in an airtight container at room temperature for up to 3 days or refrigerate for up to a week.
  • Author: Adeline
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Category: Baking
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian