Gather the ingredients and equipment needed for this drink.
Toss ice into the glass. The glass should be almost filled to the top.
Use the jigger and measure out 2 oz of peanut butter whiskey.
Use the jigger and measure out 4 oz of coke.Note: instead of measuring the coke, you can just pour it straight into the glass to top it off. Take your bar spoon and put it into the glass.
Give a few good stirs with the spoon to mix it up well.