[header] How to make cheese babka [title] Add the warm water to a bowl. [step] To activate the yeast, you'll need to mix it with water. Fill a small bowl with ½ cup (118 ml) of warm water and place it in the center of your workspace. 
[substeps] The water should be 110 ° f (43 ° c) so it's warm enough to activate the yeast. [title] Sprinkle the yeast and sugar over the water and stir well.