Meringue base is a type of dessert that is made from EGG whites and sugar. The two crossword solutions for the term meringue base are 'eggs' (4 letters) and 'EGG' (3 letters). Eggs are a key ingredient in meringue base, as they provide the necessary proteins to stabilize the mixture. EGG whites are typically used in meringue base, as the yolks contain fat which can prevent the mixture from forming stiff peaks.