The past tense of Griddle is griddled.
noun. cooking utensil consisting of a flat heated surface (as on top of a stove) on which food is cooked.
verb. cook on a griddle.
1. Noun, singular or mass Coat the griddle with a light layer of vegetable oil while the pan is still warm from the hot water. 2. Adjective Turn off the oven and let the griddle cool right in the oven.