Add oats and flour to WildSide jar and secure lid. Press "Pulse" 2–3 times. Add apple juice concentrate, honey, vanilla extract, maple extract, and water or oil. Add any desired optional items except raisins or dates, and pulse 2–3 times. Spread mixture on baking sheets.
Bake for 2 hours at 150°F, stirring every ½ hour. Add raisins or dates, if desired, after baking. Makes about 1 gallon.