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Easy One-Bowl Chocolate Chip Cookie Bars Recipe No Mixer Needed

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A quick and easy one-bowl recipe for chewy, buttery chocolate chip cookie bars that require no mixer and minimal cleanup.

Ingredients

Scale
  • 2 cups all-purpose flour (250g)
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 cup unsalted butter (113g), melted
  • 3/4 cup packed brown sugar (150g)
  • 1/4 cup granulated sugar (50g)
  • 1 large egg, room temperature
  • 1 teaspoon vanilla extract
  • 1 1/2 cups chocolate chips (270g), semi-sweet or milk chocolate

Instructions

  1. Preheat your oven to 350°F (175°C). Grease or line an 8×8-inch baking pan with parchment paper, leaving a bit of overhang on the sides for easy lifting.
  2. Melt the butter in a large mixing bowl by microwaving for about 30 seconds or melting on the stove. Let it cool slightly.
  3. Add 3/4 cup packed brown sugar and 1/4 cup granulated sugar to the melted butter. Stir until smooth and glossy.
  4. Mix in one large room temperature egg and 1 teaspoon vanilla extract until fully combined.
  5. In a separate small bowl or directly over the wet mixture, whisk together 2 cups all-purpose flour, 1 teaspoon baking soda, and 1/2 teaspoon salt.
  6. Gradually add the flour mixture into the wet ingredients. Stir gently until just combined; do not overmix.
  7. Fold in 1 1/2 cups chocolate chips evenly throughout the batter.
  8. Spread the batter evenly into the prepared baking pan, pressing lightly to smooth the surface.
  9. Bake for 25–30 minutes, checking around 23 minutes. The edges should be golden and the center set but still soft.
  10. Let the bars cool completely in the pan on a wire rack. Use the parchment overhang to lift them out, then slice into squares or rectangles.

Notes

Let the melted butter cool before adding the egg to avoid scrambling. Do not overmix the batter to keep bars tender. If bars seem underbaked in the center, tent with foil and bake 3-5 more minutes. For gluten-free, substitute flour with 1:1 gluten-free baking flour blend. For dairy-free, use coconut oil instead of butter and dairy-free chocolate chips.

Nutrition

Keywords: chocolate chip cookie bars, one-bowl cookie bars, easy cookie bars, no mixer cookie bars, quick dessert, chocolate chip bars

Find it online: https://siennaspoon.com/easy-one-bowl-chocolate-chip-cookie-bars-recipe-no-mixer-needed/