Follow these easy steps to create your incredible protein bars:

1. Prepare the Dish: Line an 8×8-inch baking dish with parchment paper for easy removal.
2. Mix Dry Ingredients: In a large bowl, combine the rolled oats, protein powder, and salt. Stir until well mixed.
3. Combine Wet Ingredients: In a separate bowl, mix the nut butter, honey or maple syrup, milk, and vanilla extract until smooth.
4. Combine Mixtures: Gradually fold the wet ingredients into the dry mixture until fully incorporated. If using chocolate chips, fold them in at this stage.
5. Transfer to Dish: Pour the mixture into the prepared baking dish, pressing it down firmly to create an even layer.
6. Chill: Place the dish in the refrigerator for at least one hour to allow the bars to set.
7. Slice and Serve: Once chilled, lift the mixture out using the parchment paper. Slice into bars of your desired size.

These straightforward steps will help you create delicious protein bars that you can enjoy anytime!