What is the main ingredient combination used to make marshmallows?

The main ingredient combination used to make marshmallows is indeed cooked sugar syrup and gelatin. The process begins with heating sugar and water to create a syrup, which, upon cooling, is combined with gelatin that has been dissolved in water. This mixture is then whipped to incorporate air, giving marshmallows their light and fluffy texture. The gelatin acts as a stabilizer, helping the marshmallow maintain its shape and providing that characteristic chewiness.

In contrast, other options involve ingredients that do not form the basis of traditional marshmallow recipes. For instance, whipped cream is not used in marshmallow production, nor is cooked chocolate a primary ingredient. Furthermore, while egg whites could hypothetically create a meringue-like structure, they are not used in standard marshmallow recipes, which rely on gelatin for texture and stability. This is why cooked sugar syrup and gelatin is the correct answer for the main ingredient combination in marshmallows.