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Best Kitchen Sink Christmas Cookies

These Best Kitchen Sink Christmas Cookies are a sweet and salty holiday dream come true! Packed with red and green M&Ms, pretzels, chocolate chips, and toffee bits, every bite bursts with festive flavor and crunch. They’re soft, chewy, colorful, and perfect for cookie swaps, gifts, or cozy December nights by the tree. A little bit of everything — and it works perfectly!
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Prep Time 15 minutes
Cook Time 12 minutes
Total Time 27 minutes
Servings: 25
Ingredients Method Notes

Ingredients
  

  • 1 cup 2 sticks unsalted butter, softened
  • ¾ cup brown sugar packed
  • ½ cup granulated sugar
  • 2 large eggs
  • 2 tsp vanilla extract
  • 2 ½ cups all-purpose flour
  • 1 tsp baking soda
  • ½ tsp salt
  • 1 cup semi-sweet chocolate chips
  • ½ cup white chocolate chips
  • ½ cup red & green M&Ms
  • ½ cup crushed pretzels
  • ½ cup toffee bits
  • ¼ cup peanuts or pecans optional
  • Sea salt for sprinkling

Method
 

  1. Preheat oven to 350°F (175°C) and line two baking sheets with parchment paper.
  2. In a large bowl, cream butter, brown sugar, and granulated sugar until light and fluffy.
  3. Add eggs and vanilla; mix until combined.
  4. In a separate bowl, whisk flour, baking soda, and salt. Gradually add to wet ingredients.
  5. Fold in chocolate chips, M&Ms, pretzels, toffee, and nuts.
  6. Scoop 2 tablespoons of dough per cookie onto prepared sheets.
  7. Top with extra M&Ms and pretzels for decoration.
  8. Bake for 10–12 minutes or until edges are golden brown.
  9. Cool on wire racks. Sprinkle lightly with sea salt.

Notes

  • Slightly underbake for the perfect soft center.
  • Don’t overload mix-ins — 2½ cups total is ideal.
  • Store in an airtight container for up to 5 days.
  • Freeze dough balls for quick holiday baking anytime!