Line a 8 x 4 inch loaf pan (or similar) with parchment paper and set aside.
Place chocolate chips in a small bowl and set aside.
In a small saucepan, heat the coconut milk with butter, sugar and vanilla and heat until the sugar has dissolved. Immediately pour over the chocolate chips and let stand covered for a few minutes.
Stir gently until completely smooth, pour into the prepared loaf and place in the refrigerator.
For the Peanut Butter Fudge
In a small saucepan, heat the vegan butter, peanut butter, coconut milk, brown sugar and sugar until the sugar has dissolved.
Pour over the chocolate fudge and spread evenly.
Top with chocolate chips and/or peanuts and place in the fridge for at least two hours.