This is a recipe that we have used for breakfast bars in the car (yes, a little messy), snacks, and even dessert when eaten warm with cinnamon ice cream (add 1 T cinnamon to vanilla ice cream recipe). It's taken from the book What the Bible Says About Healthy Living Cookbook.
1 1/2 cups rolled oats
1/2 cup unsweetened applesauce
1/2 cup organic whole milk or almond milk
1/4 cup honey or maple syrup (less if for breakfast, maybe more if dessert)
1 tsp cinnamon (I like more cinnamon.)
heaping 1/4 tsp sea salt
1 unpeeled apple
Preheat oven to 375 degrees. Grease an 8 x 8 pan (or 9 x 13 if making double batch). Mix ingredients, except apple. Chop or shred apple. (I use a mini food-processor.) Mix in. Press oat mixture into pan and bake for 25 - 30 minutes. Cut into squares and serve. For on-the-go, put into ziploc bags or saran wrap. The original recipe calls for dates, raisins, pecans, walnuts, and optional dried unsweetened coconut as well, but I like this simple and soft version. If you like nuts, that would be a great way to get protein into them.