This is a sample of my daily food consumption. I am looking for positive advice, like "add this to your diet" or "take this out".
37yo, 258lb, 27%BF,male, work out 4 days per week

Breakfast (7:00am)

8 egg whites 128 cals / 0 fats / 0 carbs / 32 protein
3/4 cut Oats 225 cals / 4.5 fats / 40.5 carbs / 7.5 protein

Morning Snack (9:30)

Dymatize Elite XT 129 cals / 2 fat / 6 carbs / 21 protein
1.5 PB&J Sandwich 495 cals / 26.3 fat / 70.5 carbs / 22 protein

Lunch (12:00pm)

8oz chicken breast 195 cals / 1.5 fat / 0 carbs / 40.5 protein
1c brown rice 212 cals / 1.8 fat / 43.6 carbs / 5 protein

Pre Workout(1:00pm)

Dymatize Elite XT 129 cals / 2 fat / 6 carbs / 21 protein

(Workout at 1:30)

Post Workout (2:30)

Dymatize Iso-100 Hydrolyzed Whey Protein 106 cals / 0 fat / 0 carbs / 21 protein
Gatorade

Post Workout Meal (3:00)

7oz Tuna 210 cals / 1.7 fat / 0 carbs / 42 protein
Grits 195 cals / 0 fat / 43 carbs / 4.5 protein


TOTALS:

Cals 1915
Fat 42
Carbs 208
Protein 200

I need to stack another 700-900 calories into this diet. Could I get some suggestions? Thanks!