Cadbury Egg Cookie Bars (Printable)

Soft, chewy bars packed with Cadbury mini eggs and colorful pastel M&Ms for a festive treat.

# What You'll Need:

→ Dry Ingredients

01 - 2 1/4 cups all-purpose flour
02 - 1 teaspoon baking soda
03 - 1/2 teaspoon salt

→ Wet Ingredients

04 - 3/4 cup unsalted butter, melted and slightly cooled
05 - 1 cup light brown sugar, packed
06 - 1/2 cup granulated sugar
07 - 2 large eggs, at room temperature
08 - 2 teaspoons pure vanilla extract

→ Mix-ins

09 - 1 cup Cadbury mini eggs, chopped
10 - 1 cup pastel M&Ms

# How to Make It:

01 - Preheat oven to 350°F. Line a 9x13-inch baking pan with parchment paper, leaving overhang for easy removal.
02 - In a medium bowl, whisk together flour, baking soda, and salt. Set aside.
03 - In a large mixing bowl, whisk melted butter with brown sugar and granulated sugar until smooth and fully combined.
04 - Add eggs and vanilla extract, whisking until fully incorporated.
05 - Gradually fold dry ingredients into wet mixture using a spatula, mixing just until combined. Do not overmix.
06 - Gently fold in chopped Cadbury mini eggs and half of the pastel M&Ms.
07 - Spread dough evenly into prepared pan. Sprinkle remaining M&Ms and extra mini egg pieces over the top for decoration.
08 - Bake for 23-26 minutes, or until edges are golden and center is just set. Do not overbake for soft, chewy texture.
09 - Remove from oven and allow to cool completely in pan before lifting out and cutting into 16 bars.

# Expert Advice:

01 -
  • The chocolate from the Cadbury eggs melts just enough to create pockets of sweetness without turning your dough into a mess.
  • These bars stay chewy for days, unlike most cookie bars that firm up, because the brown sugar keeps them soft and forgiving.
  • You can make them in 40 minutes total, which means fresh bars before dinner if inspiration strikes in the afternoon.
02 -
  • Room temperature eggs are non-negotiable because cold eggs won't emulsify properly with the melted butter, and you'll end up with a grainy, separated mixture that bakes weird.
  • The magic happens in those final two to three minutes of baking when the edges turn golden but the center is still slightly soft, so set a timer and don't wander away.
03 -
  • Slightly underbaking the bars by a minute or two creates that sought-after chewy center that everyone actually wants, even though the recipe says 25 minutes.
  • Let the butter cool for just a minute or two after melting but don't let it get cold, because warm butter incorporates better with the eggs and creates a smoother dough.
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