Step 1

1 In a large bowl, stir together the oats, peanut butter and vanilla until combined

Step 2

2 In a heavy saucepan over medium heat, heat the butter and milk, stirring a few times, until the butter is melted

Step 3

3 Whisk in the sugar, cocoa and salt until the mixture is smooth

Step 4

4 Bring the mixture to a boil and cook for 1 1/2 minutes, stirring often to prevent scorching

Step 5

5 Stir in the oat mixture and continue cooking for 1 minute longer, stirring constantly

Step 6

6 Drop the cooked mixture by tablespoonfuls onto wax paper or aluminum foil

Step 7

7 Let the cookies cool and become firm

Step 8

8 Serve at room temperature