Can custard powder, yeast and baking powder be used together? Why?

Able.

Custard powder, Dry yeast, and baking powder can be used together, and the three do not affect each other in nature, and when used in combination, the food produced is more delicious, more delicious, and has a better taste. Custard powder is a kind of spice powder, light yellow or light orange, with strong milk flavor and fruity flavor, it is composed of bulking agent, stabilizer, food flavor, food coloring, milk powder, starch and filler.