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Brownies & BlondiesNo. 2272 · The 2026 edition

Monster Mash Brownies

Whip up these spooky Monster Mash Brownies with colorful candy melts and caramel M&M's for a fun Halloween treat.

Easy Easy

Our own summary of the original — the full post and photos live at mms.com.

Monster Mash Brownies are mini fudgy brownies topped with swirls of green and orange candy melts and crunchy caramel M&M's. They're easy to make and perfect for Halloween parties or bake sales. Each bite combines rich chocolate with sweet, colorful decorations.

Ingredients

Directions

  1. Set your oven to 325°F and grease 16 mini muffin cups; set them aside.
  2. In a bowl, beat sugar and eggs with an electric mixer. Fold in melted butter until well combined, then stir in vanilla. Mix cocoa powder, flour, and salt together; fold into the egg mixture. Gently stir in half of the Caramel M&M's.
  3. Spoon the batter into the prepared mini muffin cups. Bake for 15 to 20 minutes, until a toothpick inserted in the center comes out with a few moist crumbs. Let the brownies cool completely on a wire rack.
  4. In a heatproof bowl set over a saucepan of barely simmering water, melt green candy melts with 2 teaspoons of coconut oil for 4 to 6 minutes, until smooth. Repeat the process with orange candy melts and another 2 teaspoons of coconut oil.
  5. Spoon the melted candies randomly over each brownie, then swirl with a skewer or the tip of a paring knife. Sprinkle the remaining M&M's on top. Refrigerate until the topping is set.

Open the original on mms.com