Get the Recipe:
Monster Skillet Cookie
This warm and gooey monster skillet cookie is quick to make and endlessly customizable. Just melt, mix, and bake. No mixing bowl required!
Ingredients
- 1/2 cup (113 g) unsalted butter
- 1 cup (200 g) firmly packed light brown sugar
- 1 large egg
- 1 teaspoon vanilla extract
- 1 cup (120 g) all-purpose flour
- 1/2 teaspoon baking powder
- 1/2 teaspoon salt
- 3/4 cups (74 g) old-fashioned rolled oats
- 2 cups your favorite add-ins, chocolate chips, nuts, M&Ms, toffee bits, coconut, pretzels, etc.
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Instructions
- Place the butter in a 10-inch cast iron skillet. Melt over medium heat. Add the brown sugar and stir until the sugar dissolves.
- Remove the pan from the heat and allow the mixture to cool about 10 minutes.*
- Preheat oven to 350°F (175°C).
- Add the egg and vanilla to the cooled butter mixture. Stir until combined.
- Add the flour, baking powder, and salt, and mix just until combined. Stir in the oats.
- Fold in the add-ins. Spread the dough evenly in the skillet.
- Bake 20 to 25 minutes, or until golden brown. Be sure not to overbake. Serve warm or at room temperature.
Notes
- Be sure to let the butter and brown sugar mixture cool before adding the egg to avoid scrambling it.
- Mixing directly in the skillet cuts down on cleanup, but you can use a bowl if you prefer.
- Use any combination of chips, candy, nuts, or other add-ins. Just keep the total around 2 cups.
- The cookie may look slightly underbaked in the center when you take it out of the oven. That’s okay! It will finish setting as it cools.
- Leftovers can be stored at room temperature or frozen for later. See full post for storage details.
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