You can add more variety if you find eating the same meals boring etc. but it will require a lot more effort in terms of food prep and also cost will increase.
I find eating egg whites breaks my soul so i stopped eating them. My breakfast now is a couple of whole eggs & oats mixed with a flavored whey powder and peanut butter. So much nicer. Also a bit of tomato ketchup with the eggs.
For my fish/meat and rice meals i add salt, pepper, frozen mixed veg and a hot sauce. Heat in the microwave before eating as i find it goes down a lot easier heated
You could add a portion of red meat. i like to have this with sweat potato wedges.
If you use protein powder with the oats you won't need the milk, i would also try and eat less cottage cheese and more meat/fish if possible. Your fats also look to be very low based on these food choices?
You need to know your macro nutrient breakdown. Around 2400kcal is probably a good starting point for you
you can drop the carbs a little on rest days, monitor your weight each day for a couple of weeks and see how it goes. Ask a friend to take pics or post online for feedback. From there you just reduce kcals, mainly from carbs, and add in cardio to keep the weight coming off.