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Festive Monster Cookies

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  • Author: Evelyn
  • Prep Time: 20 minutes
  • Cook Time: 15 minutes
  • Total Time: 35 minutes
  • Yield: 20 cookies
  • Category: Cookie / Dessert
  • Method: Baking
  • Cuisine: American / Halloween
  • Diet: Vegetarian

Description

Festive Halloween “monster” cookies loaded with oats, pretzels, chocolate, and candy eyes


Ingredients

  • 2 sticks (1 cup) salted butter, room temperature
  • 1 cup dark brown sugar
  • ⅓ cup light brown sugar
  • 2 large eggs + 1 egg yolk
  • 1 tablespoon vanilla extract
  • 2 cups all‑purpose flour
  • 2 teaspoons baking soda
  • 2 teaspoons baking powder
  • ½ teaspoon kosher salt
  • 2 cups old-fashioned oats
  • 1¼ cups Halloween M&M’s
  • 1 cup mini pretzel sticks, crushed
  • 1 cup semi‑sweet chocolate chips or chunks
  • Assorted candy eyes

Instructions

  1. Preheat the oven to 350 °F (≈ 175 °C). Line a baking sheet with parchment paper.
  2. In a mixing bowl, beat together the butter, dark brown sugar, and light brown sugar until creamy and well combined.
  3. Add the 2 eggs and the extra egg yolk one at a time, beating after each addition, then stir in the vanilla.
  4. In another bowl, whisk together the flour, baking soda, baking powder, and salt.
  5. Add the dry mixture into the wet mixture and mix until mostly combined, then stir in the oats.
  6. Fold in 1 cup of the M&M’s, the crushed pretzels, and the chocolate chips.
  7. Using about ¼ cup of dough per cookie, roll into balls and place on the prepared baking sheet, spacing ~3 inches apart.
  8. Bake for 8 minutes, then rotate the pan and bake another 2 minutes.
  9. Remove the pan, press the remaining M&M’s and candy eyes into the top of each cookie, then return to the oven for 2–3 minutes more.
  10. Remove from oven and allow cookies to cool on the baking sheet (they continue to set as they cool).

Notes

  • The cookies spread, so leave sufficient room between them.
  • Adding some of the M&M’s & eyes at the end helps them remain visible and not melt entirely. :contentReference[oaicite:0]{index=0}
  • If you prefer thicker cookies, omit the extra egg yolk. :contentReference[oaicite:1]{index=1}
  • Store in an airtight container for up to 4 days. :contentReference[oaicite:2]{index=2}
  • You can substitute mix‑ins (e.g. different candies) as desired. :contentReference[oaicite:3]{index=3}

Nutrition

  • Serving Size: 1 cookie
  • Calories: 311 kcal