Simplify the following text for a Grade 10 native English-speaking person.
Original: Churros , sometimes called Spanish doughnuts , are fried-dough pastry-based snacks , sometimes made from potato dough , that originated in Spain .
Simplified: Churros , sometimes referred to as a Spanish doughnut , are fried-dough pastry-based snacks , sometimes made from potato dough , that originated in Spain .