Frozen Chocolate Peanut Butter Cups

Bahan-bahan (16 porsi)

• 24 ounces semi-sweet or dark chocolate, chopped
• 2 tablespoons coconut oil
• 1 1/2 cups creamy peanut butter
• 1/2 -1 cup powdered sugar
• 6 tablespoons salted butter, at room temperature
• 1 teaspoon vanilla extract
• sea salt