Protein Brownies (Entire BATCH <800 calories!)

All you gotta do is process the oats down into a flour (or just buy it like that, haha), mix all the other ingredients together (or throw them in the processor too if it's big enough), and boom! DONE!
To be baked at 350F/180C for 15-20 minutes.

Ingredients:
1 scoop chocolate whey protein (~45g)
180g fat-free Greek yogurt
40g oats
60g cocoa powder
50ml unsweetened almond milk
2 egg whites (~75g)
1tsp baking powder
25g granulated sweetener of choice
1 pinch of salt
+ more sweetener to taste (if required)

So here's the breakdown -


If you guys have any good protein brownie recipes, please share!