No Bake Cookies

Bahan-bahan (24 porsi)

• 1/2 cup (1 stick) salted butter
• 2 cups granulated sugar
• 1/4 cup unsweetened cocoa powder
• 1/2 cup milk (any kind)
• 1/2 cup creamy peanut butter
• 1 teaspoon vanilla extract
• 3 cups old fashioned oats