You can, but it would no longer be a vegan recipe.
A suitable curd substitute for a vegan cheesecake recipe is silken tofu blended with lemon juice and a sweetener like maple syrup or agave nectar.
Yes, you can substitute applesauce for eggs in a recipe as a vegan-friendly and lower-cholesterol alternative. Use 1/4 cup of applesauce for each egg in the recipe.
You can substitute eggs in meatloaf with ingredients like flaxseed meal, chia seeds, or mashed bananas to make it suitable for a vegan diet.
The following link is a great samosa recipe; to make it vegan, substitute vegetable oil for ghee. (I suggest canola oil)
You can substitute eggs in brownies with ingredients like applesauce, mashed bananas, flaxseed meal mixed with water, or commercial egg replacers to make them vegan-friendly.
If you're just looking for a vegan substitute for butter, check out Earth Balance Natural Buttery (Buttery, not Butter) spread. Make sure it's the one that says Vegan on the back.
Of course, the result might not be the same however with concerns to the texture
Nougat can be either vegan or non-vegan depending on the ingredients used. Traditional nougat is made with honey, which makes it non-vegan. However, there are vegan versions of nougat available that use plant-based ingredients like sugar syrup and agar agar as a substitute for honey.
Raw vegan recipes are comprised of raw vegetables and fruits, no milk products can be included. Sauces and marinates made with organic ingredients are also allowed.
For a vegan Graham cracker recipe, see the link below -
Agar agar is a vegan gelatin substitute that can be used in recipes.
Vegan recipes can be found in many different places. There are specifically vegan cookbooks that are widely available, as well as online resources and websites that can provide vegan recipes. Any recipe can be made vegan by swapping certain ingredients with replacement ingredients that are vegan, too.