A grain-based expanded food product comprises a base formulation and a vegetable
powder component present in an amount from about 7% to about 11% by
dry weight. The vegetable
powder component includes at least one
starch-containing tuber vegetable
powder, at least one low-
starch root vegetable powder, and at least one
leafy green powder, wherein the vegetable powder component comprises at least about 10%
starch. In preferred embodiments, the vegetable powder component comprises a combination of sweet potato powder, carrot powder and
spinach powder. The food product can be a puffed
breakfast cereal or a puffed snack. A method of producing a grain-based expanded food product comprises combining a base formulation with a vegetable powder component to form a dough and
processing the dough in an extruder to form an extruded
mass. The method can further comprise forming the extruded
mass into pieces, which can be further processed.