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Cosmic Brownie Cookie Monster Cookies

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These Cosmic Brownie Cookie Monster Cookies are a playful, chunky mashup of fudgy brownie cookies and vibrant blue cookie monster dough, loaded with rainbow chips, chocolate chips, and mini cookies. Perfect for parties, bake sales, or whenever you need a fun, nostalgic treat.

Ingredients

Scale
  • 1 cup (226g) unsalted butter, softened
  • 1 1/4 cups (250g) granulated sugar
  • 1/2 cup (100g) brown sugar, packed
  • 2 large eggs, room temperature
  • 1 1/2 tsp pure vanilla extract
  • 2 cups (250g) all-purpose flour
  • 3/4 cup (65g) unsweetened cocoa powder (Dutch-process preferred)
  • 1 tsp baking soda
  • 1/2 tsp salt
  • 1 cup (170g) semi-sweet chocolate chips
  • 1/2 cup (100g) mini rainbow chocolate chips
  • 1/2 cup (113g) unsalted butter, softened
  • 1/2 cup (100g) granulated sugar
  • 1/4 cup (50g) brown sugar
  • 1 large egg
  • 1/2 tsp vanilla extract
  • 1 1/4 cups (156g) all-purpose flour
  • 1/2 tsp baking soda
  • 1/4 tsp salt
  • Blue gel food coloring (start with 1/4 tsp, add more as needed)
  • 1/2 cup (85g) mini chocolate chips
  • 1/3 cup (55g) mini chocolate sandwich cookies, chopped (like Oreos)
  • 1/4 cup (40g) rainbow candy-coated chips

Instructions

  1. Preheat your oven to 350°F (175°C) and line two baking sheets with parchment paper.
  2. Make the Brownie Cookie Dough: In a large bowl, cream together 1 cup butter, 1 1/4 cups granulated sugar, and 1/2 cup brown sugar until light and fluffy (2-3 minutes).
  3. Beat in 2 eggs, one at a time, then add 1 1/2 tsp vanilla extract. Scrape the bowl as needed.
  4. In a separate bowl, whisk together 2 cups flour, 3/4 cup cocoa powder, 1 tsp baking soda, and 1/2 tsp salt.
  5. Add dry ingredients to the wet mixture in two batches, mixing just until combined. Do not overmix.
  6. Fold in 1 cup chocolate chips and 1/2 cup rainbow chips. If dough is dry, add 1-2 tbsp milk; if sticky, chill for 10 minutes.
  7. Prepare the Cookie Monster Dough: In a separate bowl, beat 1/2 cup butter with 1/2 cup granulated sugar and 1/4 cup brown sugar until creamy.
  8. Mix in 1 egg and 1/2 tsp vanilla extract.
  9. Add blue gel food coloring (start with 1/4 tsp, add more as desired) and mix until evenly colored.
  10. In another bowl, whisk 1 1/4 cups flour, 1/2 tsp baking soda, and 1/4 tsp salt.
  11. Gradually mix dry ingredients into the wet mixture until just combined.
  12. Stir in 1/2 cup mini chocolate chips, 1/3 cup chopped mini chocolate sandwich cookies, and 1/4 cup rainbow candy chips. Chill if sticky.
  13. Marble the Doughs: Pinch off some brownie dough and some cookie monster dough, press together, and gently swirl to create a chunky marble effect.
  14. Scoop or roll into balls (about 3 tbsp each) and place 2 inches apart on lined sheets.
  15. Bake for 11-13 minutes, until edges are set but centers look slightly underdone. Rotate pans halfway through baking.
  16. Let cookies cool on the baking sheet for 5 minutes, then transfer to a wire rack.
  17. While still warm, press extra rainbow chips or mini cookies on top for decoration (optional).

Notes

For best results, use room temperature butter and eggs. Don’t overmix the doughs after adding flour to keep cookies soft and chewy. Chill dough if it’s too sticky or your kitchen is warm. Swirl doughs gently for a dramatic marbled look. Press extra chips or cookies on top after baking for a bakery-style finish. Cookies taste even better on day two as flavors meld.

Nutrition

Keywords: cosmic brownie cookies, cookie monster cookies, chunky cookies, party cookies, bake sale, rainbow chip cookies, fudgy cookies, chocolate cookies, kid-friendly dessert

Find it online: https://bitematrix.com/cosmic-brownie-cookie-monster-cookies-easy-chunky-dessert-recipe/