Combine bittersweet baking chips, milk chocolate baking chips, and heavy whipping cream in a medium microwave-safe bowl. Microwave, uncovered, on 50 percent power for 2 minutes; stir. Microwave on 50 percent power for 2 to 3 minutes more, stirring every 30 seconds until chocolate is melted and smooth.
Microwave Chocolate Fondue
No fancy equipment needed—just plenty of fun dipping options.