Melt the dark chocolate and 1 tsp of coconut oil in a microwave for 45 seconds, or slowly on the stove in a double boiler. Be careful not to boil it!
Place ½ tbsp of melted chocolate into each of your 12 small silicone molds.
Pop the tray into the refrigerator for 20 minutes or until the chocolate has hardened up.
While the chocolate is cooling you can make the peanut butter filling. Mix the peanut butter, remaining coconut oil, vanilla extract and maple syrup until combined.
Add 1 tsp of the peanut filling to each chocolate cup.
Cover your peanut butter filling with melted chocolate, to the top of the mold – or enough to create a level top.
Refrigerate for half an hour or until the peanut butter cups are hard enough to transfer to a plate.
Keep them in the fridge for up to 10 days.
Notes
You can top these peanut butter cups with crushed roasted peanuts, sea salt, or edible decorations!