help hitting macros with food allergies

hmadrone

I'm allergic to eggs, all dairy (includes whey protein), soy, corn, most beans, almonds, shellfish, and now a fair variety of bony fish. I can eat meats, lentils, peas, most nuts, and garbanzo beans.

When I did a bodybuilding contest a year ago, I was able to hit my protein macros by eating a lot of plain chicken breast, a fair amount of fish, and a lot of rice protein powder. I got down to 19.5% body fat and that felt good.

Since then, I've been advised that I should put almost everything on a rotation diet to avoid developing allergies to frequently-eaten foods. This means that I shouldn't have multiple meals with chicken breast or rice protein in a day, and I'm supposed to limit bony fish to 2 days a week. I've been eating more turkey, beef, and pork as a result. I haven't been using protein powder at all, but I'm thinking of alternating rice and hemp protein powder so that I can start eating more of them.

I want to get my body fat back down below 20% again, so I've started paying more attention to my macros. I'm under on protein and over on fat almost every single day. I don't mind changing my macros to suit my circumstances and would welcome advice on sustainable macro levels that will help me meet my goal of optimal health under 20% body fat.

Are there other good low-fat sources of protein that I am overlooking? (Before responding to this, please look at the list of allergens at the beginning of the post)