Add milk, maple syrup, butter, almond butter, eggs, vanilla, brown sugar, cinnamon and salt to a large mixing bowl. Whisk until smooth.
Stir in oats until well combined.
Stir in chocolate chips.
Transfer the mixture to the prepared baking dish. Sprinkle with more mini chocolate chips and bake for 35-37 minutes, until set in the center and golden brown.
Remove from the oven and let cool for 20-30 minutes before slicing and serving.