Step 1

Line a loaf pan with parchment paper and set aside.

Step 2

Place the chocolate in a microwave safe bowl and add the sweetened condensed milk.

Step 3

Heat for 30 seconds and stir well for 30 seconds to dissolve the chocolate chips. You may need to reheat for another 20 seconds to fully melt the chocolate chips.

Step 4

Once the mixture is smooth, add in the Bailey's and optional vanilla.

Step 5

Fold the fudge mixture out into the loaf pan and smooth flat with your spatula.

Step 6

Refrigerate for 2 hours or overnight.

Step 7

Pop the parchment paper out of the loaf pan and cut the Bailey's fudge into 1 inch squares. Store in a sealed container.