Mesophilic yogurts are easiest for a beginner, since they simply culture in a jar on the kitchen counter at room temperature. (ournourishingroots.com)
cover tightly with plastic wrap and leave on the counter at room temperature. (theurbanbaker.com)
The cake should probably not be frozen when you frost it, so just set it on the counter at room temperature in the morning and frost it as soon as it's soft again. (recipegirl.com)