Combine flour, butter, brown sugar, oats, 2 tsp of cinnamon, and pecans in a bowl
Mix ingredients using a fork, or your hands, until the butter is in small beads
Distribute the mixture evenly on top of the apples
Drizzle maple syrup over top
Cover crock pot with a dish towel
Put the crock pot lid on top of the towel to soak up moisture
Cook on low for 2 hours or until apples are softened