Measure and prepare all of your ingredients ahead of time because you will need to work fast to get the best results. Line a few cookie sheets or a clean countertop with parchment paper or wax paper.4
In a large pot, melt the butter, cocoa powder, sugar, and milk over medium heat, stirring regularly.
½ cup salted butter1, ⅓ cup unsweetened cocoa powder, 2 cups granulated sugar, ½ cup whole milk
As soon as the mixutre begins to boil in the center, set a timer for 1 minute and continue to stir the mixture at a rolling boil.5,6
As soon as time is up, remove the pot from heat and stir in the peanut butter and vanilla extract until combined.
⅔ cup peanut butter2, 1 tablespoon vanilla extract
Quickly stir in the oatmeal and drop spoonfuls of the mixture onto the parchment paper and allow them to cool for at least 20 minutes to set.7
3 cups 1-minute oatmeal3