1. In large mixing bowl, blend together the wet ingredients and sugar (eggs, sugar, oil, applesauce, and vanilla) with a fork until smooth. 
2. In a separate mixing bowl, whisk together remaining dry ingredients (flour, oats, baking soda, cinnamon, and salt).
3. Stir flour mixture into wet mixture with a mixing spoon.
4. Stir in chocolate chips.
5. Drop by rounded 1 Tbsp, about 2 inches (5 cm) apart, onto lined or greased baking sheets. With fork, flatten to ½-inch (1 cm) thickness.
6. Bake in 325° F oven until edges are golden but centres are slightly soft, about 10 minutes. Transfer to cooling racks and let cool.

Make-ahead: Store in airtight container for up to 5 days or in the freezer for several weeks.