I need more calories. Any suggestions?

Seeing your food diary might help us to give you more specific advice. Right now it appears to be set to private. The general advice would be to get rid of anything "diet" or "low-cal" that you're eating and replace it with the full-calorie counterpart. Also, look for more calorie dense foods. Things like full-fat dairy, Greek yogurt, cheese, ice cream, avocado, nuts, peanut butter, olive oil, coconut oil, butter, dark chocolate, protein shakes and smoothies, steak, full calorie dressings and sauces, etc. can help add a lot of calories without adding a lot of extra food to your day.

Why are you excluding potatoes? What is your goal? (lose weight, build muscle, maintain weight) Do you truly know what your caloric maintenance is? I ask the third part because often times we sweat the small stuff (macro nutrients) way to early. Find out your caloric maintenance first. You can use a calculator to get an estimate or starting point. A great one is on acaloriecounter.com. That site is awesome. Eat that estimated maintenance for a complete 7 days and don't go over by much (Example 2500 calories). Did your weight stay the same as it is now? If so, eat 500 calories less per day for the next 7 days (Example 2000 calories). Did you lose a pound of weight? If so, now you have a caloric deficit and that's the ONLY thing you need to lose weight. Then from that amount of calories make up your macro profile. You don't have to do a 40\40\20 split. It's about preference on macros once you get the calories you need for a deficit. Start with protein, then fat, then fill in the rest of your calories with carbs once you start setting your macros. All this is only if your goal is to lose weight which is why I asked question number two. You could know all of this and I'm talking to you like a newbie. If so, my bad. Still answer question number one.

EAT CANDY!

In seriousness, nuts and avocados?!

First, consider lowering your protein and increasing your fat--maybe 30-30-40? I say that because your protein goal seems kind of high and lots of ways to meet protein are going to come with some fat. Of course, I say that not knowing your height or weight--it might be fine. How'd you decide on those macros.

Beyond that, you need calories, carbs, and protein. Try beans, lean meat, milk or other dairy, a protein shake, sweet potatoes, rice (brown if you prefer), whole grains, starchier vegetables like carrots, parsnips, turnips, winter squash.

Peanut butter. Beer! Ice cream. Cheese.