Line an 8x8 or 9x11 baking dish with parchment paper. Spray the inside of the dish with oil so the paper sticks.
In a small pan on the stove, melt coconut oil/butter, vanilla, and coconut sugar over low heat.
Stir for a few minutes. add the oats, stir again, and cover for 5-6 minutes. Make sure this is on low heat.
Transfer 3/4 of the mixture to the bottom of the baking dish and press down with a spatula.
Next, put the chocolate, peanut butter, and collagen (if using) into a microwave safe bowl.
Melt in 30 second intervals.
Stir together, leaving some PB clumps!
Pour over the oat mixture and then top with remaining oats.
Press down with spatula.
Refrigerate for at least 4 hours before cutting into bars!
Store in the refrigerator or freezer.Enjoy!