Ingredients

• 1 (18.25 ounce) package brownie mix (such as Betty Crocker®)
• 2/3 cup vegetable oil
• 2 eggs
• 1/4 cup water
• 12 chocolate sandwich cookies (such as Oreo®)

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Instructions

1. Preheat oven to 350 degrees F (175 degrees C). Grease 12 muffin cups or line with paper liners.
2. Mix brownie mix, oil, eggs, and water together in a bowl until smooth. Spoon about 1 tablespoon batter into each muffin cup. Place 1 cookie into each muffin cup and top with more batter.
3. Bake in the preheated oven until a toothpick inserted in the side of the brownie comes out clean, 20 to 23 minutes.