You can use Sour Cream of Mayonnaise as a substitute of yogurt.
yes
plain yogurt with a little vanilla, or sour cream with a little sugar and vanilla.
Yes, it should be just fine to do so. But you need to use 'regular' yogurt instead of the thicker types of yogurt, such as Greek yogurt. Otherwise, the filling for the pie will be too dense and dry.
Greek yogurt!
yes
Yogurt.
yes
Yes, but make sure it is plain yogurt, and that you mix it with a little milk to make it less dense.
Instead of eggs, some recipes use tofu, yogurt, or powdered milk.
You can use alternatives like applesauce, mashed bananas, or Greek yogurt instead of shortening to make the recipe healthier.
You can use ingredients like milk, buttermilk, yogurt, or even mustard as a substitute for eggs when breading food.
You can use ingredients like buttermilk, yogurt, or a mixture of flour and water as a substitute for eggs when breading chicken.