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Monster Cookies

Monster Cookies: Chunky, chewy peanut butter oat cookies loaded with chocolate chips and colorful candies.
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Chunky, chewy peanut butter oat cookies loaded with chocolate chips and colorful candies.

Makes: About 30 cookies · Pan: Baking sheets · Oven: 350 °F (175 °C) · Holiday: Halloween

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Ingredients

VolumeGrams
1/2 cup unsalted butter, softened113 g
1 cup creamy peanut butter—
3/4 cup packed brown sugar160 g
1/2 cup granulated sugar99 g
2 large eggs100 g
1 tsp vanilla extract4.7 g
1 tsp baking soda6 g
1/4 tsp table salt1.5 g
1/2 cup all-purpose flour60 g
3 cups old-fashioned oats267 g
1 cup chocolate chips170 g
1 cup candy-coated chocolates—

Gram weights use the King Arthur Baking ingredient weight chart; “—” means the ingredient isn’t on the chart, so measure it by volume or count. Measure flour by spooning it into the cup and leveling, or better, weigh it.

Method

  1. Heat the oven to 350 °F and line two baking sheets with parchment.
  2. Beat the butter, peanut butter and both sugars until creamy, about 2 minutes. Beat in the eggs and vanilla.
  3. Mix in the baking soda, salt and flour, then stir in the oats, chocolate chips and most of the candies.
  4. Scoop 2-tablespoon balls 2 inches apart and press a few of the remaining candies on top.
  5. Bake 10–12 minutes, until the edges are golden and the centers still look soft. Cool 5 minutes on the sheet before moving.

Tips

  • The small amount of flour keeps them chewy; for a gluten-free version, use certified gluten-free oats and skip the flour (they'll spread a little more).
  • Orange and purple candies make them extra festive.

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