Ingredients
Method
- Preheat the oven to 350 degrees Fahrenheit.
- Cream the peanut butter, butter, granulated sugar, and brown sugar together.
- Beat in the egg and vanilla.
- Stir in the flour and baking soda.
- Roll the dough into balls and place on a baking sheet. Make a deep thumbprint in the center of each ball.
- Bake for 8 to 10 minutes.
- As soon as you remove them from the oven, carefully spoon a small dollop of marshmallow fluff into the center indent of each cookie. Let cool on the pan.