This Skrewball peanut butter whiskey milkshake is a creamy delicious cocktail that will keep you cool this summer.

This easy boozy milkshake with advocaat requires only a few ingredients and it takes just minutes to make. Dress it up for any occasion.

With only four ingredients, you can create a delicious boozy milkshake with peanut butter whiskey.

Kahlua Oreo Milkshake {Adult Milkshake}