What Can substitute Chicken for my weight gaining program?

    To clarify more in detail, my diet is 4000calories daily (consisting of Myoplex, bananas, udo's, brown rice, spinach, eggs, wheat bread, lentils, protein bars and other supplements) but I need to replace the only meat on the diet which is chicken. So is there something (other than what's already listed) that i can consume (being a new vegetarian) that is comparable to 12oz of chicken breast daily? The substitute needs it to be close to 420calories, 100(g) protein, 0 carbs, 12(g) fat. Any suggestions that meets this criteria? I've asked around, and no one seems to give any specific answer,...please help. thanks.

Do you eat fish?
Will you eat soy product?
Linda

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