In small microwavable bowl, microwave whipping cream on High about 30 seconds or just until boiling. (easydessert.org)
Microwave the 4 chocolate squares and butter in a large microwavable bowl at «high» for 2 minutes or until butter is melted. (theredpaintedcottage.com)
vegetable or olive oil (optional) in 2 1/2 - quart microwavable bowl until well blended. (mccormick.com)