This is what I used when I was wrestling in high school. I gave it to some powerlifting and strongmen friends of mine and they PR'd in a month. It's pure DENSE calories.
Here we go.

You will Need:
Ratio for 4 bars. if you want 20 bars multiply everything by 5 etc.

1/3 cup whole (almond works great too) milk
2 scoop protein powder
1 dallop of Nutella
1 dallop of Peanut Butter
2 cups Oats
1 dallop of Sour Cream
1 teaspoon flaxseed oil
50 mg dbol (JUST KIDDING!!!!!!!!)

pour ingredients itno mixing bowl and stir until you get a thick consistency
Take out of bowl and form into bars on a baking sheet

Preheat oven to 300 Degrees
Bake for 15 minutes

let cool for 5 minutes.
Place bars in tupperware and store in fridge overnight.

enjoy