Traditional yeast will need sugar to ‘feed’ it while it activates. Instant yeast is sometimes known by other names, such as bread machine yeast, quick-rise yeast, fast-rising yeast or rapid-rise yeast. For 1 (0.6oz )cake compressed yeast substitute: 1 envelopes (2 1/4 tsp) dry yeast 1 envelopes (2 1/4 tsp) bread machine yeast. You can substitute yeast … Two common types of yeast that people use at home to make bread and pastries are active dry yeast and instant yeast. If a recipe calls for instant yeast and you want to use active dry yeast instead, just make sure to give it a bit more rising time than written in the recipe. And don't forget to "prove" the yeast, i.e. Unlike yeast, baking soda needs an acid to activate it. By adding an acid to baking soda (such as lemon juice or cream of tartar) a chemical reaction occurs that produces carbon dioxide and fills your bread with air — much like yeast does. Let the yeast grow for about 5 minutes. Equivalents.06-oz cake compressed yeast = 1/4-oz pkg dry 2 oz cake = equal to 3 (1/4-oz) pkgs dry. Fresh yeast and active dry yeast: When substituting fresh yeast for dry yeast in a recipe, use double the amount than given in the recipe, and the other way around. dissolving it in a portion of the water from the recipe, heated to 105 degrees. If you are subbing traditional yeast for quick-rise. To substitute active dry for instant (or rapid rise) yeast: Use 25 percent more active dry. For example, if the recipe calls for 1 teaspoon of instant yeast, use 1 1/4 teaspoons of active dry. You will use the same amount of traditional yeast and then add the liquids (either water or milk warmed to between 105 and 115 F) and sugar.