The formula ratio of multigrain steamed buns is flour: multigrain powder: water: yeast = 3:2:2.5:0.3. There is no specific ratio, just add 1/3 or 1/4 less miscellaneous grains. Therefore, the recipe ratio of multi-grain steamed buns can be adjusted according to personal taste and preferences. The formula ratio of multigrain steamed buns is flour:grain powder:water:yeast=3:2:2.5:0.3. There is no specific ratio, just add 1/3 or 1/4 less miscellaneous grains. Therefore, the recipe ratio of multi-grain steamed buns can be adjusted according to personal taste and preferences. 1. The formula ratio of multigrain steamed buns is: the ratio of flour to miscellaneous grains is 3:1 or 4:1. 2. When making multigrain steamed buns, you need to mix the flour and miscellaneous grains evenly first, and then add boiling water. Remember to add boiling water. Normally, warm water is used when making steamed buns, but boiling water is needed when making multigrain steamed buns, so that they taste more chewy. You can also add a little sugar to the steamed buns.