not sure if my diet is off to be honest

weight 160lbs
age 25
height 5ft 9

average day.....

breakfast

cup of porridge oats
banana
bio yoghurt
spoonful of peanut butter
muesli bar
egg white/milk protein shake

snack

tin of tuna with salad
apple
orange
muesli bar

lunch

chicken breast
150grams of cottage cheese
salad

snack

pasta with sauce
wholemeal bread
spoonful of peanut butter

dinner

either spag bol, steak and vegetables, chicken salad etc etc.....
yoghurt

evening snack

whey protein shake
muesli bar
apple
chicken leg