If you keep a kosher house, this wouldn't be an option but my suggestion is ham. You can buy it cut up already in the little cubes. It is soft and easy for them to chew. Also, pasta is a good side. To change up the pasta, try the tri-colored or the spinach nests. Try some instant mashed potatoes or some rice. If you are looking for a dish with some meet, try adding some ground beef to beef flavored or fried rice. You can add scrambled egg to rice like rice a roni fried rice. Ravioli, canned or frozen, are good. Cut up some pieces of cheese. Any canned or frozen vegetable, pretty much. In fact, you probably want to try to encourage the vegetables now. Applesauce, bananas, canned peaches, canned pears and canned mixed fruit are good choices for fruits. There are some occasions where we have crackers with ham (or some type of deli meat), cheese, and fruit. I arrange them on a plate and let my son to eat it as finger food.
Honestly, though, we tend to have a lot of chicken nuggets with chicken flavored ramen noodles on the side. We try to include a fruit or vegetable with it but there are occasions where my 4 month olds fussiness leads to a lack of vegetable at lunch. We try to have a fruit or vegetable for a snack later in the afternoon if that happens.
The important things to watch for are size and density with regards to whether or not it is a food that is easily choked upon (hot dogs are tops on the list, btw). Also, you want to try to keep his diet balanced. He should have more fruits and vegetables than meet or carbs.
I tried to list some of the easier to prepare things on our list of things we do (my kids are 8, 3 and 4 months) but that are, also, not a complete turnoff for mom. Who wants to have to cook 2 different lunches with a toddler in the house. ;)
With the talking, don't worry. Your doctor, I'm sure, asks you about this at his checkup and will let you know should there become a time where he/she thinks there is a problem. A couple of things to remember here, though, in general boys talk later than girls. However, in general, they also develop motor skills such as walking and climbing faster than girls. Each child is an individual though and may not adhere to the developmental timelines set by the average child. This is fine. As long as he is developing normally in other areas and seems healthy, I wouldn't worry especially at this young a stage. A lot of children don't really start talking so that others can really understand them until they are almost two. At this stage in life, a few days or a few months can make a big difference in abilities.
Good luck. Hope this helps.