for batter:

Batter is a semi-liquid mixture consisting primarily of flour, liquid (typically water, milk, or eggs), and fat, combined in proportions that create a pourable or spreadable consistency. The ingredient classification depends on context: when referring to the flour component, batter is fundamentally a grain preparation; when discussing the complete mixture, it functions as a composite preparation base. Batters may be thin (for crêpes, pancakes) or thick (for coating fried foods), with consistency determined by the liquid-to-flour ratio and the presence of leavening agents such as baking powder or yeast.

Common batter types include crêpe batter (thin and delicate), pancake batter (thicker, leavened), tempura batter (light and crispy when fried), and coating batters for fritters or fried fish. Regional variations reflect local grain choices and preferred textures—Asian batters often incorporate rice flour or cornstarch for crispness, while Western sweet batters rely on wheat flour with added sugar and eggs.

Batters serve multiple functions across cuisines: as a base for cooked griddle items (pancakes, crêpes, waffles), as a protective coating for deep-fried foods (tempura, fish and chips, onion rings), and as a binding medium for baked goods (cakes, muffins, quick breads). In Asian cuisines, light, aerated batters are prized for their crisp exterior and tender interior when fried. Sweet batters are typical in American and European baking, while savory batters appear in fritter traditions across India, the Middle East, and Southeast Asia. Batter consistency must be adjusted based on intended use: thinner batters flow freely for thin crêpes, while thicker batters cling to foods for deep frying.