Small Batch Monster Cookies
One large egg yolk, six large chewy monster cookies! Oats, peanut butter, candies and packed with loads of chocolate.

- Prep time
- 10 min
- Cook time
- 10 min
- Yield
- 4 servings
- Difficulty
- MEDIUM
Ingredients
Quantities are shown as originally provided.
- 4 tablespoons unsalted butter (softened, 57g)
- ⅓ cup brown sugar (75g)
- 2 tablespoons peanut butter 36g
- Pinch salt
- 1 teaspoon pure vanilla extract
- 1 egg yolk
- 1/4 cup all-purpose flour (35g)
- ½ cup old-fashioned rolled oats (60g)
- ¼ tsp baking soda
- ½ cup - ⅔ cup of mix-ins (chopped chocolate, chocolate candies, monster mix, etc.)
Instructions
- 1
Preheat oven to 350 and line a cookie sheet with parchment paper. Use a large cookie sheet, these are big cookies!
- 2
In a bowl, using a hand mixer, beat butter, brown sugar, peanut butter, salt and vanilla until light and fluffy.
- 3
Add the yolk and baking soda and beat to combine.
- 4
Mix in the flour and rolled oats.
- 5
Fold in the mix-ins with a spatula.
- 6
Drop 2 tablespoons of dough onto cookie sheet. Keep enough space between them, these will spread. You should have enough for six large cookies.
- 7
Bake for 12 minutes, until edges turn golden.
- 8
Let cool on the pan until firm, this may take awhile – the resulting cookies are soft and chewy!